OZG-4713 OZG-4926 Add orga-field to VorgangChange

alfa-service/src/main/java/de/ozgcloud/alfa/historie/VorgangChange.java

@@ -17,7 +17,8 @@ public class VorgangChange {
 
 	private String valueBeforeChange;
 	private String valueAfterChange;
-	private String createdByName;
+	private String createdByName; // TODO: authorFullName
 	private ZonedDateTime finishedAt;
 	private CommandOrder order;
+	private String organisationseinheitenId;
 }