wip: finalize implementation

src/Controller/Booking/Create/Step1Controller.php

@@ -65,7 +65,7 @@ class Step1Controller extends AbstractController
 
         $form->handleRequest($request);
 
-        if ($form->isSubmitted() && $form->isValid()) {
+        if (true === $form->isSubmitted() && true === $form->isValid()) {
             if ($this->bookingService->hasRoomSelectionChanged($oldRoomSelectionSnapshot, $bookingCreateDto)) {
                 $this->bookingService->resetParticipantAssignments($bookingCreateDto);
             }
@@ -99,7 +99,7 @@ class Step1Controller extends AbstractController
      * without validation and returning freshly rendered blocks.
      */
     #[Route('/bookings/create/refresh', name: 'app_booking_create_step_1_refresh', methods: ['POST'])]
-    public function refreshRoomSelection(Request $request): Response
+    public function refresh(Request $request): Response
     {
         $result = $this->getOrCreateBookingCreateDtoForHtmx($this->bookingService, $request);
         if ($result instanceof Response) {