enhance(frontend): ウィジェットを非表示にできるPageMetaを追加 (#12456)

* (enhance) ウィジェットを非表示にできるPageMetaを追加

* fix lint

* rename

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/frontend/src/pages/settings/index.vue

@@ -236,6 +236,7 @@ provideMetadataReceiver((info) => {
 		childInfo.value = null;
 	} else {
 		childInfo.value = info;
+		INFO.value.needWideArea = info.value?.needWideArea ?? undefined;
 	}
 });