fix notification subject

src/Bundle/ChillMainBundle/Notification/Email/NotificationMailer.php

@@ -79,11 +79,8 @@ class NotificationMailer
                 continue;
             }
 
-            $email = new Email();
-            $email
-                ->subject($notification->getTitle());
-
             if ($notification->isSystem()) {
+                $email = new Email();
                 $email
                     ->text($notification->getMessage());
             } else {
@@ -96,7 +93,9 @@ class NotificationMailer
                     ]);
             }
 
-            $email->to($addressee->getEmail());
+            $email
+                ->subject($notification->getTitle())
+                ->to($addressee->getEmail());
 
             try {
                 $this->mailer->send($email);