message: fix: detachment of submit events
  get submit events from internal jquery structure
diff: @@ -46,7 +46,7 @@ export default class FormWatcher {
  private prepareForm() {
  let formElement = this.formElement;
  - let events = formElement.data('events') || {
  + let events = (<any> $)._data(formElement.get(0), 'events') || {
  submit: []
  };
  let submitEvents = [].concat(events.submit);
  