bug[TW19447]: Fix assignees value on transition to complete or cancel

Change-Id: I1bc495a0f1fd931481f65703c5028a71dc333977
diff --git a/plugins/org.eclipse.osee.ats.ide/src/org/eclipse/osee/ats/ide/editor/tab/workflow/header/WfeAssigneesHeader.java b/plugins/org.eclipse.osee.ats.ide/src/org/eclipse/osee/ats/ide/editor/tab/workflow/header/WfeAssigneesHeader.java
index aaae4bc..69cb780 100644
--- a/plugins/org.eclipse.osee.ats.ide/src/org/eclipse/osee/ats/ide/editor/tab/workflow/header/WfeAssigneesHeader.java
+++ b/plugins/org.eclipse.osee.ats.ide/src/org/eclipse/osee/ats/ide/editor/tab/workflow/header/WfeAssigneesHeader.java
@@ -97,7 +97,9 @@
       if (Widgets.isAccessible(valueLabel)) {
          String value = "";
          try {
-            if (workItem.getStateMgr().getAssignees().isEmpty()) {
+            if (workItem.isCompletedOrCancelled()) {
+               value = "N/A";
+            } else if (workItem.getStateMgr().getAssignees().isEmpty()) {
                value = "Error: State has no assignees";
             } else {
                valueLabel.setToolTipText(workItem.getStateMgr().getAssigneesStr());