Merge pull request #9 from acseo/fix-dispatcher-argument-order-symfony-5

Fix the order of the argument to pass to the dispatcher since Symfony 5

Form/FormManager.php

@@ -51,7 +51,7 @@ public function createForm(FormProviderInterface $formProvider)
         $form = $this->formFactory->create(DynamicFormType::class);
 
         $event = new FormEvent($form);
-        $this->dispatcher->dispatch(Events::FORM_CREATE, $event);
+        $this->dispatcher->dispatch($event, Events::FORM_CREATE);
 
         return $form;
     }