feat: conditionally render room assignment field in participant edit form

src/Form/Service/EditFieldStateProvider.php

@@ -5,10 +5,12 @@ declare(strict_types=1);
 namespace App\Form\Service;
 
 use App\BusProNet\Utility\DirectionMapper;
+use App\Form\Model\BookingDto;
 use App\Form\Service\Abstract\AbstractFieldStateProvider;
 use App\Form\Service\Condition\AdditionalServicesMutabilityCondition;
 use App\Form\Service\Condition\ApplicantCondition;
 use App\Form\Service\Condition\AuthenticatedUserPersonalDataCondition;
+use App\Form\Service\Condition\BookingModeCondition;
 use App\Form\Service\Condition\CompositeCondition;
 use App\Form\Service\Condition\DateOfBirthProvidedCondition;
 use App\Form\Service\Condition\FieldValueCondition;
@@ -16,7 +18,6 @@ use App\Form\Service\Condition\PersonalDataMutabilityCondition;
 use App\Form\Service\Condition\PickupsMutabilityCondition;
 use App\Form\Service\Condition\RentalSelectionCondition;
 use App\Form\Service\Condition\ServiceSubTypeCondition;
-use App\Form\Service\Condition\SingleRoomTypeCondition;
 use App\Form\Service\Condition\SkiPassSelectionCondition;
 use App\Form\Service\Condition\TransportationServicesMutabilityCondition;
 
@@ -97,10 +98,10 @@ class EditFieldStateProvider extends AbstractFieldStateProvider
             'static_text' => $personalDataHiddenCondition,
         ];
 
-        // Render assignedRoomId field as static text when only one room type is selected (auto-assigned by RoomAssignmentService)
-        // Same logic as create mode - render as static text when only one room type available
+        // Room assignments are fixed in edit mode - always render as static text
+        // The assignedRoomId value passes through unchanged from the loaded booking data
         $this->fieldStateConditions['assignedRoomId'] = [
-            'static_text' => new SingleRoomTypeCondition(),
+            'static_text' => new BookingModeCondition(BookingDto::MODE_EDIT),
         ];
 
         // Conditional visibility for service fields (same as create flow)