refactor(frontend): page-metadata -> page

packages/frontend/src/pages/avatar-decorations.vue

@@ -32,7 +32,7 @@ import { signinRequired } from '@/account.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { i18n } from '@/i18n.js';
-import { definePageMetadata } from '@/utility/page-metadata.js';
+import { definePage } from '@/page.js';
 
 const $i = signinRequired();
 
@@ -86,7 +86,7 @@ const headerActions = computed(() => [{
 
 const headerTabs = computed(() => []);
 
-definePageMetadata(() => ({
+definePage(() => ({
 	title: i18n.ts.avatarDecorations,
 	icon: 'ti ti-sparkles',
 }));