Resolve undefine variable in _createUserRole function

Author: edenduong

app/code/Magento/User/Model/ResourceModel/User.php

@@ -4,6 +4,8 @@
  * See COPYING.txt for license details.
  */
 
+declare(strict_types=1);
+
 namespace Magento\User\Model\ResourceModel;
 
 use Magento\Authorization\Model\Acl\Role\Group as RoleGroup;
@@ -208,28 +210,27 @@ protected function _createUserRole($parentId, ModelUser $user)
         if ($parentId > 0) {
             /** @var \Magento\Authorization\Model\Role $parentRole */
             $parentRole = $this->_roleFactory->create()->load($parentId);
+            if ($parentRole->getId()) {
+                $data = new \Magento\Framework\DataObject(
+                    [
+                        'parent_id' => $parentRole->getId(),
+                        'tree_level' => $parentRole->getTreeLevel() + 1,
+                        'sort_order' => 0,
+                        'role_type' => RoleUser::ROLE_TYPE,
+                        'user_id' => $user->getId(),
+                        'user_type' => UserContextInterface::USER_TYPE_ADMIN,
+                        'role_name' => $user->getFirstName(),
+                    ]
+                );
+
+                $insertData = $this->_prepareDataForTable($data, $this->getTable('authorization_role'));
+                $this->getConnection()->insert($this->getTable('authorization_role'), $insertData);
+                $this->aclDataCache->clean();
+            }
         } else {
             $role = new \Magento\Framework\DataObject();
             $role->setTreeLevel(0);
         }
-
-        if ($parentRole->getId()) {
-            $data = new \Magento\Framework\DataObject(
-                [
-                    'parent_id' => $parentRole->getId(),
-                    'tree_level' => $parentRole->getTreeLevel() + 1,
-                    'sort_order' => 0,
-                    'role_type' => RoleUser::ROLE_TYPE,
-                    'user_id' => $user->getId(),
-                    'user_type' => UserContextInterface::USER_TYPE_ADMIN,
-                    'role_name' => $user->getFirstName(),
-                ]
-            );
-
-            $insertData = $this->_prepareDataForTable($data, $this->getTable('authorization_role'));
-            $this->getConnection()->insert($this->getTable('authorization_role'), $insertData);
-            $this->aclDataCache->clean();
-        }
     }
 
     /**