feat: show room prices in room assignment form field

src/BusProNet/DataProcessor/BookingPayloadBuilder.php

@@ -451,7 +451,7 @@ class BookingPayloadBuilder
         $roomQuantities = [];
         foreach ($bookingDto->roomSelections as $selection) {
             if ($selection->quantity > 0) {
-                $roomQuantities[$selection->roomId] = $selection->quantity;
+                $roomQuantities[$selection->id] = $selection->quantity;
             }
         }