Allow the host page to pass a `contentReady` promise to the client, which it
will resolve once the content is rendered and the client should be able to
anchor annotations. This enables the host page to load the client concurrently
with fetching document content, only blocking the client at the point where it
needs to anchor annotations.

Fixes https://github.com/hypothesis/client/issues/5568

Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 5.61.0 to 6.1.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v6.1.0/packages/eslint-plugin)

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Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 5.61.0 to 6.0.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/parser/CHANGELOG.md)
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Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss) from 3.3.2 to 3.3.3.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/v3.3.3/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/compare/v3.3.2...v3.3.3)

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Bumps [postcss](https://github.com/postcss/postcss) from 8.4.25 to 8.4.26.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.4.25...8.4.26)

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Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.0.4 to 3.0.5.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/3.0.4...3.0.5)

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Bumps [@types/katex](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/katex) from 0.16.0 to 0.16.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/katex)

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Bumps [@sentry/browser](https://github.com/getsentry/sentry-javascript) from 7.57.0 to 7.58.1.
- [Release notes](https://github.com/getsentry/sentry-javascript/releases)
- [Changelog](https://github.com/getsentry/sentry-javascript/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/getsentry/sentry-javascript/compare/7.57.0...7.58.1)

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Bumps [@rollup/plugin-commonjs](https://github.com/rollup/plugins/tree/HEAD/packages/commonjs) from 25.0.2 to 25.0.3.
- [Changelog](https://github.com/rollup/plugins/blob/master/packages/commonjs/CHANGELOG.md)
- [Commits](https://github.com/rollup/plugins/commits/commonjs-v25.0.3/packages/commonjs)

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Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.22.7 to 7.22.9.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.22.9/packages/babel-preset-env)

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Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.22.8 to 7.22.9.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.22.9/packages/babel-core)

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When the host page takes control of side-by-side mode by adding:

```
sideBySide: { mode: 'manual' }
```

To the client's config, the client needs a way to determine whether side-by-side
mode was applied when the user clicks in the document. If it is applied, the
sidebar should remain open, otherwise it should be closed.

This PR adds an `isActive` callback to the `sideBySide` settings which the
client will invoke when it needs to know if side-by-side is active or not.

Bumps [semver](https://github.com/npm/node-semver) from 5.7.1 to 5.7.2.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/v5.7.2/CHANGELOG.md)
- [Commits](https://github.com/npm/node-semver/compare/v5.7.1...v5.7.2)

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Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 5.60.1 to 5.61.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/parser/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v5.61.0/packages/parser)

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Bumps [rollup](https://github.com/rollup/rollup) from 3.26.0 to 3.26.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v3.26.0...v3.26.2)

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Bumps [preact](https://github.com/preactjs/preact) from 10.15.1 to 10.16.0.
- [Release notes](https://github.com/preactjs/preact/releases)
- [Commits](https://github.com/preactjs/preact/compare/10.15.1...10.16.0)

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Bumps [postcss](https://github.com/postcss/postcss) from 8.4.24 to 8.4.25.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.4.24...8.4.25)

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Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.1409.0 to 2.1413.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Commits](https://github.com/aws/aws-sdk-js/compare/v2.1409.0...v2.1413.0)

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Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 5.60.1 to 5.61.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v5.61.0/packages/eslint-plugin)

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Bumps [@npmcli/arborist](https://github.com/npm/cli/tree/HEAD/workspaces/arborist) from 6.2.10 to 6.3.0.
- [Release notes](https://github.com/npm/cli/releases)
- [Changelog](https://github.com/npm/cli/blob/latest/workspaces/arborist/CHANGELOG.md)
- [Commits](https://github.com/npm/cli/commits/v6.3.0/workspaces/arborist)

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Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.22.5 to 7.22.7.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.22.7/packages/babel-preset-env)

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Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.22.5 to 7.22.8.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.22.8/packages/babel-core)

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In tests watching for a `closeSidebar` event being sent to the sidebar, we saw
CI failures [1] due to unrelated messages being sent. Make the checks test for
the specific event we are interested in.

[1] https://github.com/hypothesis/client/actions/runs/5485660737/jobs/9994747006

Replace custom use of `Card` with new shared `Callout` component for
individual toast messages.

In component styles where the intent is to match the default border
radius sizing, use unqualified `rounded` instead of `rounded-sm`. The
default border radius happens to be 2px, which is equivalent to the
default `rounded-sm` value out of the box with Tailwind, but the intent
is instead "use the default border radius size".

Add a border-radius default to tailwind config.

Update component styles that use `rounded` without size qualification.
The intent here was for a border radius that was larger than the
standard border-radius pattern. Tailwind default for `rounded` is 4px,
so this worked, but this breaks down if we want to change the pattern
default border radius. Update these to be explicit about radius size so
that we may set a default `rounded `value, and, in future, adjust it
without breaking styling on these components.

Fix an issue where clicking in transparent areas of the bucket bar could close
the sidebar when side-by-side mode is disabled. Such clicks are allowed to
bubble up to `document.body` because the user may be trying to click on a
scrollbar thumb or other element in this area. However we don't want these
clicks to close the sidebar like clicking elsewhere on the document does, as
this can be annoying if the user was trying to click on eg. a sidebar bucket but
missed.

In fixing this, the separate mouse and touch event listeners have been replaced
with a pointer event listener, as this is now supported in all of our target
browsers.

In 34521471 the `pointer-events: none` style was
removed from the bucket bar background. This fixed a problem where clicks
in-between buckets (eg. when trying to click on a bucket) could cause the
sidebar to close. It introduced a new issue however where it made clicking on
page elements behind the bucket bar impossible. This can interfere with clicking
on scroll bar thumbs in pages where the thumb gets drawn below the Hypothesis
sidebar for example.

This commit adds `pointer-events: none` back to this container. The next commit
will address the problem that removing it aimed to resolve, but in a different
way.