IBX-10125: Handled image upload failed request (#1609)

Author: barw4

src/bundle/Controller/AssetController.php

@@ -147,10 +147,14 @@ private function createInvalidInputResponse(ConstraintViolationListInterface $er
      */
     private function createGenericErrorResponse(string $errorMessage): JsonResponse
     {
-        return new JsonResponse([
-            'status' => 'failed',
-            'error' => $errorMessage,
-        ]);
+        return new JsonResponse(
+            [
+                'status' => 'failed',
+                'error' => $errorMessage,
+                'errorMessage' => $errorMessage,
+            ],
+            Response::HTTP_BAD_REQUEST
+        );
     }
 
     /**

src/bundle/Resources/public/js/scripts/helpers/request.helper.js

@@ -4,7 +4,7 @@ const defaultGetErrorMessage = (error = {}) => error.errorMessage;
 
 const getErrorMessageObject = (response) => {
     const responseErrorMessage = response.json().then((jsonResponse) => {
-        return jsonResponse.ErrorMessage;
+        return jsonResponse.ErrorMessage ?? jsonResponse;
     });
 
     return responseErrorMessage;