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/src/components/MkEmbedCodeGenDialog.vue

@@ -103,7 +103,7 @@ import MkInfo from '@/components/MkInfo.vue';
 
 import * as os from '@/os.js';
 import { i18n } from '@/i18n.js';
-import { url } from '@/config.js';
+import { url } from '@@/js/config.js';
 import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
 import { normalizeEmbedParams, getEmbedCode } from '@/scripts/get-embed-code.js';
 import { embedRouteWithScrollbar } from '@@/js/embed-page.js';