[COMPONENT][Notification] ->getSubscribers() should not be pre-included

Notification bug fix on Subscription component
Correct docblock

components/Subscription/Subscription.php

@@ -40,7 +40,6 @@ use App\Util\Exception\ServerException;
 use Component\Notification\Entity\Attention;
 use Component\Subscription\Controller\Subscribers as SubscribersController;
 use Component\Subscription\Controller\Subscriptions as SubscriptionsController;
-
 use Symfony\Component\HttpFoundation\Request;
 
 class Subscription extends Component
@@ -99,7 +98,7 @@ class Subscription extends Component
         $activity     = null;
         if (\is_null($subscription)) {
             DB::persist($subscription = Entity\ActorSubscription::create($opts));
-            $activity = Activity::create([
+            $activity                 = Activity::create([
                 'actor_id'    => $subscriber_id,
                 'verb'        => 'subscribe',
                 'object_type' => Actor::schemaName(),
@@ -163,7 +162,7 @@ class Subscription extends Component
             Event::handle('NewNotification', [
                 \is_int($subject) ? $subject : Actor::getById($subscriber_id),
                 $activity,
-                [],
+                [$subscribed_id],
                 _m('{subject} unsubscribed from {object}.', ['{subject}' => $activity->getActorId(), '{object}' => $previous_follow_activity->getObjectId()]),
             ]);
         }