Update v1.6.6

...va/de/eshg/security/auth/login/AccessCodeLoginMethod.java

...java/de/eshg/security/auth/login/AccessCodeLoginType.java

.../src/main/resources/application-citizen-portal.properties

...e/eshg/base/config/DepartmentConfigurationRepository.java

...a/de/eshg/base/config/DepartmentConfigurationService.java

...g/base/config/InitialDepartmentConfigurationDefaults.java

...in/java/de/eshg/base/department/DepartmentController.java

.../base/src/main/java/de/eshg/base/mail/MailController.java

.../eshg/base/pdf/gdpr/GdprRightToObjectLetterGenerator.java

.../main/java/de/eshg/base/street/MunicipalityDirectory.java

...main/java/de/eshg/base/street/StreetDirectoryService.java

...va/de/eshg/base/testhelper/BaseTestHelperResetAction.java

...ources/application-health-department-frankfurt.properties

backend/base/src/main/resources/application.properties

...main/java/de/eshg/rest/service/PrivacyDocumentHelper.java

...ule-commons/src/main/java/de/eshg/util/ResourceUtils.java

...rc/main/java/de/eshg/config/EshgConfigurationService.java

...mes/custom-keycloak/login/messages/messages_de.properties

...mes/custom-keycloak/login/messages/messages_en.properties

...shg/keycloak/authenticator/DateOfBirthAccessCodeForm.java