_restoreConfirmedOnEscape(evt) {
      if (evt.detail.escPressed) {
        this._cancelSettings();
        this._currentMode = _ViewSettingsDialogMode.default.Sort;
        this._filterStepTwo = false;
      }
    }
If the dialog is closed by [ESC] key, do the same as if the <code>Cancel</code> button is pressed.

@param {event} evt