OZG-7501 OZG-7899 Lock Vorgang and update status

...c/main/java/de/ozgcloud/vorgang/status/StatusService.java

...erver/src/main/java/de/ozgcloud/vorgang/vorgang/Lock.java

...src/main/java/de/ozgcloud/vorgang/vorgang/LockMapper.java

...oud/vorgang/vorgang/redirect/ForwardingEventListener.java

.../ozgcloud/vorgang/vorgang/redirect/ForwardingService.java

...st/java/de/ozgcloud/vorgang/status/StatusServiceTest.java

...de/ozgcloud/vorgang/vorgang/VorgangEventListenerTest.java

...vorgang/vorgang/redirect/ForwardingEventListenerTest.java

...cloud/vorgang/vorgang/redirect/ForwardingServiceTest.java