check for not wrapping enums with allOf

Author: Bartłomiej Nowak

src/PropertyDescriber/ObjectPropertyDescriber.php

@@ -36,22 +36,13 @@ public function describe(array $types, OA\Schema $property, array $groups = null
                 $types[0]->getCollectionValueType()
         ); // ignore nullable field
 
-//        if ($types[0]->isNullable()) {
-//            $weakContext = Util::createWeakContext($property->_context);
-//            $schemas = [new OA\Schema(['ref' => $this->modelRegistry->register(new Model($type, $groups, null, $context)), '_context' => $weakContext])];
-//
-//            if (
-//                function_exists('enum_exists')
-//                && enum_exists($type->getClassName())
-//                && version_compare($weakContext->version, OA\OpenApi::VERSION_3_1_0, '<')
-//            ) {
-//                $property->allOf = $schemas;
-//            } else {
-//                $property->oneOf = $schemas;
-//            }
-//
-//            return;
-//        }
+        if ($types[0]->isNullable()) {
+            $weakContext = Util::createWeakContext($property->_context);
+            $schemas = [new OA\Schema(['ref' => $this->modelRegistry->register(new Model($type, $groups, null, $context)), '_context' => $weakContext])];
+            $property->oneOf = $schemas;
+
+            return;
+        }
 
         $property->ref = $this->modelRegistry->register(new Model($type, $groups, null, $context));
     }