fix(metadata): enhance resource class determination before Object Mapper Processor return

Author: Spomky

src/State/Processor/ObjectMapperProcessor.php

@@ -57,12 +57,13 @@ public function process(mixed $data, Operation $operation, array $uriVariables =
         );
 
         $request?->attributes->set('persisted_data', $persisted);
+        $outputClass = $operation->getOutput()['class'] ?? $operation->getClass();
 
         // return the Resource representation of the persisted entity
         return $this->objectMapper->map(
             // persist the entity
             $persisted,
-            $operation->getClass()
+            $outputClass
         );
     }
 }