refactor(frontend): asとanyをすぐなおせる範囲で除去 (#14848)

* refactor(frontend): できるだけanyを除去

* refactor

* lint

* fix

* remove unused

* Update packages/frontend/src/components/MkReactionsViewer.details.vue

* Update packages/frontend/src/components/MkUsersTooltip.vue

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Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/components/MkPageWindow.vue

@@ -58,7 +58,7 @@ const windowRouter = routerFactory(props.initialPath);
 const contents = shallowRef<HTMLElement | null>(null);
 const pageMetadata = ref<null | PageMetadata>(null);
 const windowEl = shallowRef<InstanceType<typeof MkWindow>>();
-const history = ref<{ path: string; key: any; }[]>([{
+const history = ref<{ path: string; key: string; }[]>([{
 	path: windowRouter.getCurrentPath(),
 	key: windowRouter.getCurrentKey(),
 }]);