fix: fetch fresh room prices from api to avoid calculation mismatch

src/Service/BookingService.php

@@ -247,6 +247,10 @@ class BookingService
             $this->travelDataService->patchAvailabilities($travelData, $availabilities);
         }
 
+        // Fetch and patch room prices from API to ensure consistency with booking validation
+        // This prevents price mismatch errors when XML export has stale prices
+        $this->travelDataService->patchRoomPricesFromApi($travelData);
+
         // Get bookable rooms (Frei or Anfrage with available > 0)
         $availableRooms = $travelData->getAvailableRooms();