OZG-2652 move properties from usermanager.keycloak.* -> kop.keycloak.*

...ava/de/itvsh/kop/user/keycloak/KeycloakApiProperties.java

...n/java/de/itvsh/kop/user/keycloak/KeycloakApiService.java

...ain/java/de/itvsh/kop/user/keycloak/KeycloakProvider.java

src/main/java/de/itvsh/kop/user/sync/SyncScheduler.java

src/main/resources/application-dev.yaml

src/main/resources/application-local.yaml

src/main/resources/application-remotekc.yaml

src/main/resources/application.yaml

.../java/de/itvsh/kop/user/keycloak/KeycloakTestProfile.java