_onValidatorUpdated(e, metaData) {
    // @ts-ignore
    super._onValidatorUpdated(e, metaData);
    if (e.type === 'param-changed') {
      this.__syncDisabledDates([metaData.validator]);
    }
  }
Responsible for listening param change event and
sync the calendar dates with the updated validator params
@param {Event|CustomEvent} e
@param {{validator: Validator}} metaData
@protected