refactor(metadata): simplify state options handling in metadata factory

Replaced state options logic in `ParameterResourceMetadataCollectionFactory` with a new method `getClassFromStateOptions`. This simplifies the code by centralizing the logic in the `Metadata` class and improves readability.

Author: vinceAmstoutz

src/Metadata/Metadata.php

@@ -13,6 +13,8 @@
 
 namespace ApiPlatform\Metadata;
 
+use ApiPlatform\Doctrine\Odm\State\Options as DoctrineOdmOptions;
+use ApiPlatform\Doctrine\Orm\State\Options as DoctrineOrmOptions;
 use ApiPlatform\State\OptionsInterface;
 
 /**
@@ -617,4 +619,21 @@ public function withExtraProperties(array $extraProperties = []): static
 
         return $self;
     }
+
+    public function getClassFromStateOptions(): ?string
+    {
+        $stateOptions = $this->getStateOptions();
+
+        if ($stateOptions instanceof OptionsInterface) {
+            if ($stateOptions instanceof DoctrineOrmOptions) {
+                return $stateOptions->getEntityClass();
+            }
+
+            if ($stateOptions instanceof DoctrineOdmOptions) {
+                return $stateOptions->getDocumentClass();
+            }
+        }
+
+        return $this->getClass();
+    }
 }

src/Metadata/Resource/Factory/ParameterResourceMetadataCollectionFactory.php

@@ -55,15 +55,7 @@ public function create(string $resourceClass): ResourceMetadataCollection
         $resourceMetadataCollection = $this->decorated?->create($resourceClass) ?? new ResourceMetadataCollection($resourceClass);
 
         foreach ($resourceMetadataCollection as $i => $resource) {
-            $stateOptions = $resource->getStateOptions();
-            if ($stateOptions instanceof OptionsInterface) {
-                if ($stateOptions instanceof \ApiPlatform\Doctrine\Orm\State\Options) {
-                    $resourceClass = $stateOptions->getEntityClass();
-                }
-                if ($stateOptions instanceof \ApiPlatform\Doctrine\Odm\State\Options) {
-                    $resourceClass = $stateOptions->getDocumentClass();
-                }
-            }
+           $resourceClass = $resource->getClassFromStateOptions();
 
             $operations = $resource->getOperations();