OZG-6989 OZG-7216 Deactivate links if locked

...cloud/alfa/collaboration/CollaborationModelAssembler.java

.../java/de/ozgcloud/alfa/export/ExportVorgangProcessor.java

.../loeschanforderung/LoeschAnforderungVorgangProcessor.java

...main/java/de/ozgcloud/alfa/vorgang/VorgangController.java

.../java/de/ozgcloud/alfa/vorgang/VorgangModelAssembler.java

...rc/main/java/de/ozgcloud/alfa/vorgang/VorgangService.java

...zgcloud/alfa/vorgang/command/VorgangCommandProcessor.java

...d/alfa/collaboration/CollaborationModelAssemblerTest.java

...a/de/ozgcloud/alfa/export/ExportVorgangProcessorTest.java

.../java/de/ozgcloud/alfa/vorgang/VorgangControllerTest.java

...a/de/ozgcloud/alfa/vorgang/VorgangModelAssemblerTest.java

...est/java/de/ozgcloud/alfa/vorgang/VorgangServiceTest.java

...oud/alfa/vorgang/command/VorgangCommandProcessorTest.java