OZG-7517 use constant instead of Bescheid.class.getSimpleName

document-manager-server/src/main/java/de/ozgcloud/document/bescheid/BescheidService.java

@@ -288,7 +288,7 @@ public class BescheidService {
 				.bodyObject(Map.of(
 						AttachedItem.PROPERTY_ID, bescheidItem.getId(),
 						AttachedItem.PROPERTY_ITEM, buildBescheidSentStatusItem(userId),
-						AttachedItem.PROPERTY_ITEM_NAME, Bescheid.class.getSimpleName()))
+						AttachedItem.PROPERTY_ITEM_NAME, AttachedItemService.BESCHEID_ITEM_NAME))
 				.build();
 	}