refactor(frontend): verbatimModuleSyntaxを有効化 (#15323)

* wip

* wip

* wip

* wip

* revert unnecessary changes

* wip

* refactor(frontend): enforce verbatimModuleSyntax

* fix

* refactor(frontend-shared): enforce verbatimModuleSyntax

* wip

* refactor(frontend-embed): enforce verbatimModuleSyntax

* enforce consistent-type-imports

* fix lint config

* attemt to fix ci

* fix lint

* fix

* fix

* fix

packages/frontend/src/theme-store.ts

@@ -3,7 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { Theme, getBuiltinThemes } from '@/scripts/theme.js';
+import { getBuiltinThemes } from '@/scripts/theme.js';
+import type { Theme } from '@/scripts/theme.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { $i } from '@/account.js';