perf(embed): improve embed performance (#14613)

* wip

* wip

* wip

* refactor

* refactor

---------

Co-authored-by: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>

packages/frontend-embed/src/components/EmNoteDetailed.vue

@@ -142,8 +142,8 @@ import EmAcct from '@/components/EmAcct.vue';
 import { userPage } from '@/utils.js';
 import { notePage } from '@/utils.js';
 import { i18n } from '@/i18n.js';
+import { DI } from '@/di.js';
 import { shouldCollapsed } from '@@/js/collapsed.js';
-import { serverMetadata } from '@/server-metadata.js';
 import { url } from '@@/js/config.js';
 import EmMfm from '@/components/EmMfm.js';
 
@@ -151,6 +151,8 @@ const props = defineProps<{
 	note: Misskey.entities.Note;
 }>();
 
+const serverMetadata = inject(DI.serverMetadata)!;
+
 const inChannel = inject('inChannel', null);
 
 const note = ref(props.note);

packages/frontend-embed/src/components/EmNotes.vue

@@ -20,12 +20,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { shallowRef } from 'vue';
+import { useTemplateRef } from 'vue';
 import EmNote from '@/components/EmNote.vue';
 import EmPagination, { Paging } from '@/components/EmPagination.vue';
 import { i18n } from '@/i18n.js';
 
-const props = withDefaults(defineProps<{
+withDefaults(defineProps<{
 	pagination: Paging;
 	noGap?: boolean;
 	disableAutoLoad?: boolean;
@@ -34,7 +34,7 @@ const props = withDefaults(defineProps<{
 	ad: true,
 });
 
-const pagingComponent = shallowRef<InstanceType<typeof EmPagination>>();
+const pagingComponent = useTemplateRef('pagingComponent');
 
 defineExpose({
 	pagingComponent,