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/pages/user-timeline.vue

@@ -59,7 +59,7 @@ import EmTimelineContainer from '@/components/EmTimelineContainer.vue';
 import { misskeyApi } from '@/misskey-api.js';
 import { i18n } from '@/i18n.js';
 import { serverMetadata } from '@/server-metadata.js';
-import { url, instanceName } from '@/config.js';
+import { url, instanceName } from '@@/js/config.js';
 import { defaultEmbedParams } from '@@/js/embed-page.js';
 import { DI } from '@/di.js';