OA单据取消提交控制优化

lib/shared/widgets/bill_status_bar.dart

@@ -100,7 +100,7 @@ class BillStatusBar {
     if (!hasAuditFlow) return false;
     if (_isClosed || _isTransferred || _isReturned) return false;
     final s = _approvalStatus;
-    return s == 'SHCOUNT1' || s == 'SHCOUNT5';
+    return s == 'SHCOUNT1';
   }
 
   bool get showReturn {