feat(client): 通知のリアクションアイコンをホバーで拡大できるように

src/client/components/reaction-tooltip.vue

@@ -0,0 +1,51 @@
+<template>
+<MkTooltip :source="source" ref="tooltip" @closed="$emit('closed')" :max-width="340">
+	<div class="beeadbfb">
+		<XReactionIcon :reaction="reaction" :custom-emojis="emojis" class="icon" :no-style="true"/>
+		<div class="name">{{ reaction.replace('@.', '') }}</div>
+	</div>
+</MkTooltip>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import MkTooltip from './ui/tooltip.vue';
+import XReactionIcon from './reaction-icon.vue';
+
+export default defineComponent({
+	components: {
+		MkTooltip,
+		XReactionIcon,
+	},
+	props: {
+		reaction: {
+			type: String,
+			required: true,
+		},
+		emojis: {
+			type: Array,
+			required: true,
+		},
+		source: {
+			required: true,
+		}
+	},
+	emits: ['closed'],
+})
+</script>
+
+<style lang="scss" scoped>
+.beeadbfb {
+	text-align: center;
+
+	> .icon {
+		display: block;
+		width: 60px;
+		margin: 0 auto;
+	}
+
+	> .name {
+		font-size: 0.9em;
+	}
+}
+</style>