fix(api): properly override with decoration

The core CQRSApiSerializer decorates api_platform.serializer, so our
override must also decorate the same service and pass @.inner as decorated.

Author: tleon

config/admin/services.yml

@@ -34,6 +34,7 @@ services:
   # expect properly typed parameters (int, bool, etc.)
   PrestaShopBundle\ApiPlatform\Serializer\CQRSApiSerializer:
     class: PrestaShop\Module\APIResources\Serializer\QueryParameterTypeCastSerializer
+    decorates: 'api_platform.serializer'
     autowire: true
     arguments:
-      $decorated: '@api_platform.serializer.decorated'
+      $decorated: '@.inner'