message: fix(locale-modal): reset upon close
  ### Related Ticket(s)
  Refs
  ### Description
  This change resets the region selection in `<dds-locale-modal>` when it's closed by user gesture.
  ### Changelog
  **New**
  A mechanism to reset the region selection in `<dds-locale-modal>` when it's closed by user gesture.
diff: @@ -12,6 +12,7 @@ import settings from 'carbon-components/es/globals/js/settings';
  import ddsSettings from '@carbon/ibmdotcom-utilities/es/utilities/settings/settings.js';
  import ArrowLeft20 from 'carbon-web-components/es/icons/arrow--left/20.js';
  import EarthFilled16 from 'carbon-web-components/es/icons/earth--filled/16.js';
  +import HostListener from 'carbon-web-components/es/globals/decorators/host-listener';
  import DDSModal from '../modal/modal';
  import '../modal/modal-header';
  import '../modal/modal-heading';
  @@ -29,6 +30,7 @@ const { stablePrefix: ddsPrefix } = ddsSettings;
  * @element dds-locale-modal
  */
  @customElement(`${ddsPrefix}-locale-modal`)
  +// `BXModal` extends `HostListenerMixin`
  class DDSLocaleModal extends DDSModal {
  /**
  * The current region.
  @@ -54,6 +56,12 @@ class DDSLocaleModal extends DDSModal {
  this.requestUpdate('_currentRegion', currentRegion);
  }
  + @HostListener('eventClose')
  + // @ts-ignore: The decorator refers to this method but TS thinks this method is not referred to
  + private _handleAfterClose() {
  + this._currentRegion = undefined;
  + }
  +
  /**
  * @returns The heading content for the region selector page.
  */
  