ENGCOM-5618: Resolve API create /V1/products/attribute-sets/groups ('sort_order' and 'attribute_group_code') not changing. #23690

 - Merge Pull Request #23690 from edenduong/magento2:2.3-bugfix/eav_group_order_group_code_not_change_issue23634
 - Merged commits:
   1. 79410c8

Author: magento-engcom-team

app/code/Magento/Catalog/Model/ProductAttributeGroupRepository.php

@@ -4,12 +4,16 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Catalog\Model;
 
 use Magento\Framework\Exception\NoSuchEntityException;
 use Magento\Framework\Exception\StateException;
 
+/**
+ * Class \Magento\Catalog\Model\ProductAttributeGroupRepository
+ */
 class ProductAttributeGroupRepository implements \Magento\Catalog\Api\ProductAttributeGroupRepositoryInterface
 {
     /**
@@ -43,23 +47,29 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function save(\Magento\Eav\Api\Data\AttributeGroupInterface $group)
     {
+        /** @var \Magento\Catalog\Model\Product\Attribute\Group $group */
+        $extensionAttributes = $group->getExtensionAttributes();
+        if ($extensionAttributes) {
+            $group->setSortOrder($extensionAttributes->getSortOrder());
+            $group->setAttributeGroupCode($extensionAttributes->getAttributeGroupCode());
+        }
         return $this->groupRepository->save($group);
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getList(\Magento\Framework\Api\SearchCriteriaInterface $searchCriteria)
     {
         return $this->groupRepository->getList($searchCriteria);
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function get($groupId)
     {
@@ -75,7 +85,7 @@ public function get($groupId)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function deleteById($groupId)
     {
@@ -86,7 +96,7 @@ public function deleteById($groupId)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function delete(\Magento\Eav\Api\Data\AttributeGroupInterface $group)
     {