refactor(frontend): frontend-embed/src/to-be-sharedを共通化 (#14536)

* refactor(frontend): shouldCollapsedを共通化

* refactor(frontend): config.js, worker-multi-dispatch.js, intl-const.jsを共通化

* fix(frontend-shared): fix type error

* refactor(frontend): is-link.jsと、同一の振る舞いをする記述を共通化

* fix

* fix lint

* lint fixes

packages/frontend-embed/src/components/EmImgWithBlurhash.vue

@@ -13,7 +13,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts">
 import DrawBlurhash from '@/workers/draw-blurhash?worker';
 import TestWebGL2 from '@/workers/test-webgl2?worker';
-import { WorkerMultiDispatch } from '@/to-be-shared/worker-multi-dispatch.js';
+import { WorkerMultiDispatch } from '@@/js/worker-multi-dispatch.js';
 import { extractAvgColorFromBlurhash } from '@@/js/extract-avg-color-from-blurhash.js';
 
 const canvasPromise = new Promise<WorkerMultiDispatch | HTMLCanvasElement>(resolve => {