Feat: Use display name for documents when available

src/Form/AssignmentType.php

@@ -96,6 +96,9 @@ class AssignmentType extends AbstractType
                     'class' => Upload::class,
                     'endpoint_route' => 'app_admin_autocomplete_document',
                     'label_property' => 'originalFilename',
+                    'label_function' => function (Upload $document) {
+                        return $document->getDisplayName() ?? $document->getOriginalFilename();
+                    },
                     'placeholder' => 'Dokument...',
                 ],
                 'allow_add' => true,