chore: cgl fixes

src/Form/Service/ParticipantTransportationDiscountReplacementFieldHandler.php

@@ -199,7 +199,7 @@ class ParticipantTransportationDiscountReplacementFieldHandler extends AbstractP
             $services[$oldService->id]->mapping = array_values(
                 array_filter(
                     $services[$oldService->id]->mapping,
-                    fn(int $idx): bool => $idx !== $participantIndex,
+                    fn (int $idx): bool => $idx !== $participantIndex,
                 )
             );
         }