Fixed DoChanged not being called on BillLine grid edit action button

prs.desktop/Panels/Suppliers/Bills/SupplierBillLineGrid.cs

@@ -102,6 +102,7 @@ public class SupplierBillLineGrid : DynamicOneToManyGrid<Bill, BillLine>
         if (EditItems(new BillLine[] { item }))
         {
             SaveItem(item);
+            DoChanged();
             return true;
         }
         return false;