BUG#AC-8623: Address Error Handling functionality, lost due to Backward Compatibility Issue in Webonyx GraphQL Library

Author: glo80326

lib/internal/Magento/Framework/GraphQl/Exception/GraphQlNoSuchEntityException.php

@@ -7,6 +7,8 @@
 
 namespace Magento\Framework\GraphQl\Exception;
 
+use GraphQL\Error\ClientAware;
+use GraphQL\Error\ProvidesExtensions;
 use Magento\Framework\Exception\NoSuchEntityException;
 use Magento\Framework\Phrase;
 
@@ -15,7 +17,7 @@
  *
  * @api
  */
-class GraphQlNoSuchEntityException extends NoSuchEntityException implements \GraphQL\Error\ClientAware
+class GraphQlNoSuchEntityException extends NoSuchEntityException implements ClientAware, ProvidesExtensions
 {
     const EXCEPTION_CATEGORY = 'graphql-no-such-entity';
 
@@ -53,4 +55,15 @@ public function getCategory(): string
     {
         return self::EXCEPTION_CATEGORY;
     }
+
+    /**
+     * Get error category
+     *
+     * @return array
+     */
+    public function getExtensions(): array
+    {
+        $exceptionCategory['category'] = $this->getCategory();
+        return $exceptionCategory;
+    }
 }