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/widgets/WidgetRssTicker.vue

@@ -34,7 +34,7 @@ import MarqueeText from '@/components/MkMarquee.vue';
 import { GetFormResultType } from '@/scripts/form.js';
 import MkContainer from '@/components/MkContainer.vue';
 import { shuffle } from '@/scripts/shuffle.js';
-import { url as base } from '@/config.js';
+import { url as base } from '@@/js/config.js';
 import { useInterval } from '@@/js/use-interval.js';
 
 const name = 'rssTicker';