notes.js: use the original content when resetting the form

Otherwise, when an error occurred, the content was escaped and
re-escaped on every error.

Fixes #37724

1 files changed, 10 insertions, 0 deletions

diff --git a/spec/javascripts/notes_spec.js b/spec/javascripts/notes_spec.js
index 66c52611614..4546b88e44d 100644
--- a/spec/javascripts/notes_spec.js
+++ b/spec/javascripts/notes_spec.js
@@ -103,6 +103,16 @@ import '~/notes';
         $('.js-comment-button').click();
         expect(this.autoSizeSpy).toHaveBeenTriggered();
       });
+
+      it('should not place escaped text in the comment box in case of error', function() {
+        const deferred = $.Deferred();
+        spyOn($, 'ajax').and.returnValue(deferred.promise());
+        $(textarea).text('A comment with `markup`.');
+
+        deferred.reject();
+        $('.js-comment-button').click();
+        expect($(textarea).val()).toEqual('A comment with `markup`.');
+      });
     });
 
     describe('updateNote', () => {