fix: properly assign readonly state to form fields for unavailable services

src/Form/Service/ParticipantTransportationDiscountReplacementFieldHandler.php

@@ -62,10 +62,8 @@ class ParticipantTransportationDiscountReplacementFieldHandler extends AbstractP
             && DirectionMapper::SUBTYPE_BUS_API === $participant->transportationInbound->subType;
 
         // Step 3: Get all outbound PKW services
-        // Get ALL outbound services (not filtered by availability or smart filtering)
         $allOutboundServices = $bookingDto->travel->getTransportationServicesByDirection(
-            DirectionMapper::OUTBOUND_TRAVEL,
-            false // Do NOT filter by per-booking availability
+            DirectionMapper::OUTBOUND_TRAVEL
         );
 
         // Find discounted and regular PKW services