Fix issue with reset password

src/EventListener/UserListener.php

@@ -45,11 +45,13 @@ class UserListener implements EventSubscriberInterface
     public function onResetInitialize(GetResponseNullableUserEvent $event)
     {
         $user = $event->getUser();
+        if ($user != null) {
             $user->setPasswordRequestedAt(null);
             $user->setConfirmationToken(null);
             $this->em->persist($user);
             $this->em->flush();
         }
+    }
 
     public function onChangePasswordSuccess(FormEvent $event)
     {