fix: prevent generating offer links while booking is in draft

src/Controller/Groups/OfferController.php

@@ -128,7 +128,7 @@ class OfferController extends AbstractController
      */
     private function isCustomerVisible(AccommodationBooking $booking): bool
     {
-        return !$booking->isDraft() && !$booking->isRequested() && !$booking->isDiscarded();
+        return $booking->isCustomerAccessible() && !$booking->isRequested() && !$booking->isDiscarded();
     }
 
     /**