fix(frontend): /iのレスポンスに含まれないプロパティが消えずに残り続ける問題を修正

packages/frontend/src/pages/announcements.vue

@@ -56,7 +56,7 @@ import * as os from '@/os.js';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
-import { $i, updateAccount } from '@/account.js';
+import { $i, updateAccountPartial } from '@/account.js';
 
 const paginationCurrent = {
 	endpoint: 'announcements' as const,
@@ -94,7 +94,7 @@ async function read(target) {
 		return a;
 	});
 	misskeyApi('i/read-announcement', { announcementId: target.id });
-	updateAccount({
+	updateAccountPartial({
 		unreadAnnouncements: $i!.unreadAnnouncements.filter(a => a.id !== target.id),
 	});
 }