Display icons in frontend

aleksis/core/assets/components/notifications/NotificationItem.vue

@@ -10,7 +10,7 @@
             :class="notification.read ? 'grey lighten-1' : 'primary white--text'"
             dark
           >
-            mdi-monitor-dashboard
+            mdi-{{ notification.icon.toLowerCase().replaceAll("_", "-") }}
           </v-icon>
         </v-list-item-avatar>
         <v-list-item-content>

aleksis/core/assets/components/notifications/myNotifications.graphql

@@ -6,6 +6,7 @@
       title
       description
       link
+      icon
       created
       sender
       read