Update missing data to populate

Update missing data to populate

Author: ad3n

core/form-data.md

@@ -58,6 +58,11 @@ final class DeserializeListener
             return;
         }
         $context = $this->serializerContextBuilder->createFromRequest($request, false, $attributes);
+        $populated = $request->attributes->get('data');
+        if (null !== $populated) {
+            $context['object_to_populate'] = $populated;
+        }
+        
         $data = $request->request->all();
         $object = $this->denormalizer->denormalize($data, $attributes['resource_class'], null, $context);
         $request->attributes->set('data', $object);