wip: improved refresh logic

src/Form/Service/ParticipantFieldOptionsProvider.php

@@ -134,9 +134,8 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
 
                 $attributes = [];
 
-                // Pre-select and make readonly for mandatory services
+                // Make readonly for mandatory services (pre-selection handled by service layer)
                 if (true === $service->mandatory) {
-                    $attributes['checked'] = true;
                     $attributes['readonly'] = true;
                     $attributes['class'] = 'text-pink';
                     $attributes['title'] = 'Diese Leistung ist nicht abwählbar';