fix occasional bug with notifications needsMute

src/modules/notifications.js

@@ -85,6 +85,10 @@ export const notifications = {
         return true
       })
 
+      commit('addNewUsers', validNotifications.map(
+        (notification) => notification.from_profile,
+      ))
+
       const statusNotifications = validNotifications.filter(
         (notification) =>
           isStatusNotification(notification.type) && notification.status,