fix: applicant split in edit mode, drop create-mode agency checks

src/Controller/Booking/Create/Step2ParticipantController.php

@@ -153,12 +153,6 @@ class Step2ParticipantController extends AbstractController
         }
         $bookingDto = $result;
 
-        // Internal agency bookings are pre-populated with a non-travelling applicant already,
-        // so the choice is neither offered nor accepted for them.
-        if ($bookingDto->isInternalAgencyBooking()) {
-            return $this->htmxRedirect($request, $this->generateUrl('app_booking_create_step_2'));
-        }
-
         $this->travelDataService->enrichWithFreshAvailabilities($bookingDto->travel);
 
         // Captured before handleRequest(), which binds the new choice straight onto the DTO.
@@ -227,7 +221,7 @@ class Step2ParticipantController extends AbstractController
         }
         $bookingDto = $result;
 
-        if (true === $bookingDto->applicantTravels || $bookingDto->isInternalAgencyBooking()) {
+        if (true === $bookingDto->applicantTravels) {
             return $this->redirectToRoute('app_booking_create_step_2');
         }