refs #1452 Emojify quoted user name

src/renderer/components/molecules/Toot/Quote.vue

@@ -3,7 +3,7 @@
     <FailoverImg class="icon" :src="icon" :alt="`Avatar of ${username}`" />
     <div class="contents">
       <div class="header">
-        <strong>{{ username }}</strong>
+        <strong v-html="username"></strong>
         <span>{{ accountName }}</span>
       </div>
       <div class="body" v-html="body"></div>