Notebook: convert to named export

src/annotator/notebook.js

@@ -5,7 +5,7 @@ import NotebookModal from './components/NotebookModal';
 /** @typedef {import('../types/annotator').Destroyable} Destroyable */
 
 /** @implements {Destroyable} */
-export default class Notebook {
+export class Notebook {
   /**
    * @param {HTMLElement} element
    * @param {import('./util/emitter').EventBus} eventBus -

src/annotator/test/notebook-test.js

 import { useEffect } from 'preact/hooks';
 import { act } from 'preact/test-utils';
 
-import Notebook, { $imports } from '../notebook';
+import { Notebook, $imports } from '../notebook';
 import { EventBus } from '../util/emitter';
 
 describe('Notebook', () => {