chore: code cleanup with rector and php-cs-fixer

src/Controller/Booking/Create/Step4Controller.php

@@ -182,7 +182,7 @@ class Step4Controller extends AbstractBookingCreateController
 
         return $this->render('booking/create/step_4.html.twig', [
             'bookingCreateContext' => $bookingCreateContext,
-            'form' => $form->createView(),
+            'form' => $form,
             'newsletterOptInVisible' => $newsletterOptInVisible,
             'newsletterTargetEmail' => $newsletterTargetEmail,
         ]);