The newest version of the `createSelector` typings require the type of
the input argument to be determined in order for the whole call to
typecheck. This commit implements a pattern where:

- A `State` type is added in various store modules, typically defined as
  `typeof initialState`, that defines the state of that store module's
  type.
- The type of selector function params in `createSelector` calls is
  specified with `@param {State} state` and the return type is inferred

The upside of these changes is that types of selector functions are
determined much more robustly - previously it was possible to have
incorrect types specified via JSDoc.

In the process an existing minor bug was determined where an
`isHighlight` call in `ThreadList` was passed an unexpected type of
object (the `annotation` property of a `Draft`) for which `isHighlight`
did not crash but would always return false. I have simply suppressed
this existing issue for the moment, but it will need to be fixed
separately.