style: fix cs-fixer spacing on array cast

Author: Roemerdt

src/Hydra/Serializer/DocumentationNormalizer.php

@@ -173,8 +173,8 @@ private function getClass(string $resourceClass, ApiResource $resourceMetadata,
      */
     private function getPropertyMetadataFactoryContext(ApiResource $resourceMetadata): array
     {
-        $normalizationGroups = (array)(($resourceMetadata->getNormalizationContext() ?? [])[AbstractNormalizer::GROUPS] ?? null);
-        $denormalizationGroups = (array)(($resourceMetadata->getDenormalizationContext() ?? [])[AbstractNormalizer::GROUPS] ?? null);
+        $normalizationGroups = (array) (($resourceMetadata->getNormalizationContext() ?? [])[AbstractNormalizer::GROUPS] ?? null);
+        $denormalizationGroups = (array) (($resourceMetadata->getDenormalizationContext() ?? [])[AbstractNormalizer::GROUPS] ?? null);
         $propertyContext = [
             'normalization_groups' => $normalizationGroups,
             'denormalization_groups' => $denormalizationGroups,