chore: adopt namespace pattern for accommodation booking controllers

src/Service/AccommodationBookingLinkSigner.php

@@ -34,7 +34,7 @@ class AccommodationBookingLinkSigner
         }
 
         $url = $this->urlGenerator->generate(
-            'app_groups_booking_offer',
+            'app_groups_offer',
             ['uuid' => $booking->getUuid(), self::TIMESTAMP_PARAM => $issuedAt->getTimestamp()],
             UrlGeneratorInterface::ABSOLUTE_URL,
         );