title	issue
Fix default country state translations are missing	NEXT-21317

Core

Added a new migration src/Core/Migration/V6_4/Migration1661771388FixDefaultCountryStatesTranslationAreMissing.php to add missing default language translations for country states
Changed method \Shopware\Core\Maintenance\System\Service\ShopConfigurator::setDefaultLanguage to add missing default language translations for country states after changing default language