OZG-4713 OZG-4926 Refactor CommandWithPrevious

...cloud/alfa/historie/AktenzeichenChangeHistoryBuilder.java

...cloud/alfa/historie/AssignedUserChangeHistoryBuilder.java

.../java/de/ozgcloud/alfa/historie/ChangeHistoryBuilder.java

...n/java/de/ozgcloud/alfa/historie/CommandWithPrevious.java

...de/ozgcloud/alfa/historie/StatusChangeHistoryBuilder.java

...d/alfa/historie/AktenzeichenChangeHistoryBuilderTest.java

...d/alfa/historie/AssignedUserChangeHistoryBuilderTest.java

...a/de/ozgcloud/alfa/historie/ChangeHistoryBuilderTest.java

...zgcloud/alfa/historie/CommandWithPreviousTestFactory.java

...zgcloud/alfa/historie/StatusChangeHistoryBuilderTest.java

...loud/alfa/historie/VorgangChangeHistoryServiceITCase.java