Fix: Updated PrintBill where discount is showed on screen before printing bill.

Fix: Updated Product Page so that HappyHour is updated properly

Tanshu.Accounts.PointOfSale/Products/ProductForm.cs

@@ -95,6 +95,8 @@ namespace Tanshu.Accounts.PointOfSale
             else
                 product.Price = decimal.Parse(txtPrice.Text.Trim());
 
+            product.HasHappyHour = chkHasHappyHour.Checked;
+
             // Tax
             if (cmbVat.SelectedItem == null)
             {