Give attributes individual contexts (#1754)

Author: DerManoMann

src/Analysers/AttributeAnnotationFactory.php

@@ -59,6 +59,7 @@ public function build(\Reflector $reflector, Context $context): array
                         foreach ($rp->getAttributes($attributeName, \ReflectionAttribute::IS_INSTANCEOF) as $attribute) {
                             /** @var OA\Property|OA\Parameter|OA\RequestBody $instance */
                             $instance = $attribute->newInstance();
+                            $instance->_context = new Context(['nested' => true], $context);
 
                             $type = (($rnt = $rp->getType()) && $rnt instanceof \ReflectionNamedType) ? $rnt->getName() : Generator::UNDEFINED;
                             $nullable = $rnt ? $rnt->allowsNull() : true;