perf(frontend): WebGL contextの数を減らす

#10960

packages/frontend/src/components/global/MkAvatar.vue

 <template>
 <component :is="link ? MkA : 'span'" v-user-preview="preview ? user.id : undefined" v-bind="bound" class="_noSelect" :class="[$style.root, { [$style.animation]: animation, [$style.cat]: user.isCat, [$style.square]: squareAvatars }]" :style="{ color }" :title="acct(user)" @click="onClick">
-	<MkImgWithBlurhash :class="$style.inner" :src="url" :hash="user?.avatarBlurhash" :cover="true"/>
+	<img :class="$style.inner" :src="url" :hash="user?.avatarBlurhash" :cover="true"/>
 	<MkUserOnlineIndicator v-if="indicator" :class="$style.indicator" :user="user"/>
 	<div v-if="user.isCat" :class="[$style.ears]">
 		<div :class="$style.earLeft">
@@ -24,7 +24,6 @@
 <script lang="ts" setup>
 import { watch } from 'vue';
 import * as misskey from 'misskey-js';
-import MkImgWithBlurhash from '../MkImgWithBlurhash.vue';
 import MkA from './MkA.vue';
 import { getStaticImageUrl } from '@/scripts/media-proxy';
 import { extractAvgColorFromBlurhash } from '@/scripts/extract-avg-color-from-blurhash';