refactor(frontend): popupMenuの項目作成時に三項演算子をなるべく使わないように (#14554)

* refactor(frontend): popupMenuの項目作成時に三項演算子をなるべく使わないように

* type import

* fix

* lint

packages/frontend/src/pages/reversi/game.setting.vue

@@ -121,7 +121,7 @@ import MkRadios from '@/components/MkRadios.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
 import MkFolder from '@/components/MkFolder.vue';
 import * as os from '@/os.js';
-import { MenuItem } from '@/types/menu.js';
+import type { MenuItem } from '@/types/menu.js';
 import { useRouter } from '@/router/supplier.js';
 
 const $i = signinRequired();