OZG-7689 move status changed event to command

...n/java/de/ozgcloud/command/status/StatusChangedEvent.java

vorgang-manager-server/pom.xml

...e/ozgcloud/vorgang/common/search/SearchEventListener.java

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

...st/java/de/ozgcloud/document/bescheid/BescheidITCase.java

...java/de/ozgcloud/document/bescheid/TestEventListener.java

.../src/test/java/de/ozgcloud/processor/ProcessorITCase.java

...gcloud/vorgang/common/search/SearchEventListenerTest.java

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

.../ozgcloud/vorgang/vorgang/VorgangEventListenerITCase.java