feat: Use Fluent SVG icons on the dashboard (#3482)

app/javascript/dashboard/components/widgets/conversation/ConversationHeader.vue

@@ -11,10 +11,12 @@
       <div class="user--profile__meta">
         <h3 class="user--name text-truncate">
           <span class="margin-right-smaller">{{ currentContact.name }}</span>
-          <i
+          <fluent-icon
             v-if="!isHMACVerified"
             v-tooltip="$t('CONVERSATION.UNVERIFIED_SESSION')"
-            class="ion-android-alert text-y-800 fs-default"
+            class="text-y-800"
+            size="14"
+            icon="warning"
           />
         </h3>
         <div class="conversation--header--actions">