@Override
    public void doExecute(@NotNull Editor editor, @Nullable Caret caret, DataContext dataContext) {
      if (!(editor instanceof EditorEx ex)) {
        return;
      }

      ex.setStickySelection(!ex.isStickySelection());
    }
@Override
    public void doExecute(@NotNull Editor editor, @Nullable Caret caret, DataContext dataContext)