feat: make booking init flow entry-point post only

templates/booking/create/index.html.twig

@@ -2,7 +2,7 @@
 
 {% block content %}
     <div class="flex-1 flex items-center justify-center"
-         hx-get="{{ path('app_booking_create_init', {
+         hx-post="{{ path('app_booking_create_init', {
              date_id: params.dateId,
              hotel_id: params.hotelId,
              agency: params.agency,