Fixed the sync

dbrepo-auth-service/dbrepo-realm.json

...uth-service/listeners/src/main/java/at/tuwien/Client.java

.../src/main/java/at/tuwien/CreateEventListenerProvider.java

...o-auth-service/listeners/target/create-event-listener.jar

...e/api/src/main/java/at/tuwien/api/auth/CreateUserDto.java

.../entities/src/main/java/at/tuwien/entities/user/User.java

...rvice/src/main/java/at/tuwien/endpoints/UserEndpoint.java

...src/main/java/at/tuwien/validation/EndpointValidator.java

...e/src/test/java/at/tuwien/ApplicationIntegrationTest.java

...st/java/at/tuwien/endpoints/DatabaseEndpointUnitTest.java

.../test/java/at/tuwien/endpoints/TableEndpointUnitTest.java

...c/test/java/at/tuwien/endpoints/UserEndpointUnitTest.java

...ava/at/tuwien/gateway/KeycloakGatewayIntegrationTest.java

...test/java/at/tuwien/handlers/ApiExceptionHandlerTest.java

...st/java/at/tuwien/service/UserServiceIntegrationTest.java

...st/java/at/tuwien/service/UserServicePersistenceTest.java

.../src/test/java/at/tuwien/service/UserServiceUnitTest.java

...t/java/at/tuwien/validator/EndpointValidatorUnitTest.java

...ices/src/main/java/at/tuwien/gateway/KeycloakGateway.java

...main/java/at/tuwien/gateway/impl/KeycloakGatewayImpl.java