Fix sending multiple comment on note replies

app/assets/javascripts/notes/components/note_form.vue

@@ -348,6 +348,7 @@ export default {
               id="note_note"
               ref="textarea"
               v-model="updatedNoteBody"
+              :disabled="isSubmitting"
               :data-supports-quick-actions="!isEditing && !glFeatures.tributeAutocomplete"
               name="note[note]"
               class="note-textarea js-gfm-input js-note-text js-autosize markdown-area js-vue-issue-note-form"

spec/frontend/notes/components/note_form_spec.js

@@ -150,6 +150,16 @@ describe('issue_note_form component', () => {
 
           expect(handleFormUpdate.length).toBe(1);
         });
+
+        it('should disable textarea when ctrl+enter is pressed', async () => {
+          textarea.trigger('keydown.enter', { ctrlKey: true });
+
+          expect(textarea.attributes('disabled')).toBeUndefined();
+
+          await nextTick();
+
+          expect(textarea.attributes('disabled')).toBe('disabled');
+        });
       });
     });