fix easyadmin crud

databox/api/src/Controller/Admin/AttributeDefinitionCrudController.php

@@ -98,7 +98,7 @@ public function configureFields(string $pageName): iterable
         yield Field::new('facetEnabled')
             ->hideOnIndex();
         yield ArrayField::new('fallback')
-            ->hideOnIndex();
+            ->onlyOnDetail();
         yield TextField::new('key')
             ->hideOnIndex();
         yield IntegerField::new('position');