fix: restore room occupancy lost to case-sensitive xml attribute lookup

src/Service/BookingConfigurator.php

@@ -110,7 +110,7 @@ class BookingConfigurator
         $selection->price = $room->price;
         $selection->status = $room->status;
         $selection->maxQuantity = $room->available;
-        $selection->capacity = $room->minPax;
+        $selection->capacity = $room->minPax ?? 1;
         $selection->quantity = $roomsIdsAndQuantities[$room->id] ?? 0;
 
         return $selection;