OZG-5681 init custom command service instead of using default

bescheid-manager/pom.xml

...va/de/ozgcloud/bescheid/BescheidManagerConfiguration.java

...e/ozgcloud/vorgang/VorgangManagerServerConfiguration.java

vorgang-manager-server/src/main/resources/application.yml

...ava/de/ozgcloud/bescheid/BescheidEventListenerITCase.java

...ava/de/ozgcloud/document/DocumentEventListenerITCase.java

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