refinement: Improve TaskToChangedArtifactReferenceAttributeAdapter

Change-Id: I8b76448b104b2d2539e2f4b65ce7d7b10436cdd8
diff --git a/plugins/org.eclipse.osee.ats/src/org/eclipse/osee/ats/task/AtsTaskToChangedArtifactReferenceAttributeAdapter.java b/plugins/org.eclipse.osee.ats/src/org/eclipse/osee/ats/task/AtsTaskToChangedArtifactReferenceAttributeAdapter.java
index 3b7a515..bd21ff2 100644
--- a/plugins/org.eclipse.osee.ats/src/org/eclipse/osee/ats/task/AtsTaskToChangedArtifactReferenceAttributeAdapter.java
+++ b/plugins/org.eclipse.osee.ats/src/org/eclipse/osee/ats/task/AtsTaskToChangedArtifactReferenceAttributeAdapter.java
@@ -67,7 +67,7 @@
                   TransactionToken earliestTransactionId =
                      AtsClientService.get().getBranchService().getEarliestTransactionId(derivedTeamWf);
                   if (earliestTransactionId != null) {
-                     retArt = ArtifactQuery.getHistoricalArtifactFromId(uuid, earliestTransactionId,
+                     retArt = ArtifactQuery.getHistoricalArtifactFromIdOrNull(uuid, earliestTransactionId,
                         DeletionFlag.INCLUDE_DELETED);
                   }
                }