add flash message when update an user

src/Application/Actions/User/ModifyUserAction.php

@@ -56,6 +56,7 @@ class ModifyUserAction extends UserAction
         $this->em->flush();
 
         $this->logger->info("Your account has been changed.");
+        $this->flash->addMessage('modify_user', 'You account has been updated.');
 
         return $this->response
             ->withHeader('Location', '/account')