fix: fixed notification generated event for grouped notifications (#3…

…6048)

openedx/core/djangoapps/notifications/tasks.py

@@ -187,7 +187,7 @@ def send_notifications(user_ids, course_key: str, app_name, notification_type, c
                     group_user_notifications(new_notification, existing_notifications[user_id])
                 else:
                     notifications.append(new_notification)
-                    generated_notification_audience.append(user_id)
+                generated_notification_audience.append(user_id)
 
         # send notification to users but use bulk_create
         notification_objects = Notification.objects.bulk_create(notifications)