[Notifications] Only enable menu if there are notifications

config/ags/notifications/handler.tsx

@@ -111,11 +111,13 @@ class Notifier implements Subscribable {
 
     openNotificationMenu () {
         // Show all notifications that have not been cleared
+        if ( this.notifications.size > 0 ) {
             this.menuOpen = true;
             this.notifications.forEach( ( _, id ) => {
                 this.show( id );
             } )
         }
+    }
 
     hideNotifications () {
         this.menuOpen = false;