OZG-6291 simplify mapper logic; remove unused parameter; rename *entries -> *entrys

...a/de/ozgcloud/collaboration/CollaborationGrpcService.java

...llaboration/vorgang/CollaborationAntragstellerMapper.java

...oud/collaboration/vorgang/CollaborationEingangMapper.java

...ud/collaboration/vorgang/CollaborationFormDataMapper.java

.../main/java/de/ozgcloud/collaboration/vorgang/Eingang.java

.../main/java/de/ozgcloud/collaboration/vorgang/SubForm.java

...ava/de/ozgcloud/collaboration/vorgang/VorgangService.java

.../ozgcloud/collaboration/CollaborationGrpcServiceTest.java

...oration/vorgang/CollaborationAntragstellerMapperTest.java

...collaboration/vorgang/CollaborationEingangMapperTest.java

...collaboration/vorgang/CollaborationVorgangMapperTest.java

...de/ozgcloud/collaboration/vorgang/EingangTestFactory.java

...de/ozgcloud/collaboration/vorgang/VorgangServiceTest.java