bug #12852 [API] Do not check command arguments if there is an object…

… to populate (GSadee)

This PR was merged into the 1.9 branch.

Discussion
----------

| Q               | A
| --------------- | -----
| Branch?         | 1.9
| Bug fix?        | yes
| New feature?    | no
| BC breaks?      | no
| Deprecations?   | no
| Related tickets | #12825
| License         | MIT


Commits
-------

ee6e352 [API] Do not check command arguments if there is an object to populate

src/Sylius/Bundle/ApiBundle/Serializer/CommandDenormalizer.php

@@ -22,6 +22,8 @@
  */
 final class CommandDenormalizer implements ContextAwareDenormalizerInterface
 {
+    private const OBJECT_TO_POPULATE = 'object_to_populate';
+
     /** @var DenormalizerInterface */
     private $itemNormalizer;
 
@@ -37,6 +39,10 @@ public function supportsDenormalization($data, $type, $format = null, array $con
 
     public function denormalize($data, $type, $format = null, array $context = [])
     {
+        if (isset($context[self::OBJECT_TO_POPULATE])) {
+            return $this->itemNormalizer->denormalize($data, $type, $format, $context);
+        }
+
         $parameters = (new \ReflectionClass($context['input']['class']))->getConstructor()->getParameters();
 
         $missingFields = [];