Enable reply/rt/fav for mention notifications by using a barebones status in place of plain notification content.

src/components/notifications/notifications.js

@@ -1,3 +1,5 @@
+import Status from '../status/status.vue'
+
 import { sortBy, take, filter } from 'lodash'
 
 const Notifications = {
@@ -23,6 +25,9 @@ const Notifications = {
       return this.unseenNotifications.length
     }
   },
+  components: {
+    Status
+  },
   watch: {
     unseenCount (count) {
       if (count > 0) {