Fix: Update settlements was broken and would remove the Amount and Roundoff settlements

Chore: SalesAnalysis report refactored

Tanshu.Accounts.PointOfSale/Controllers/BillController.cs

@@ -401,7 +401,6 @@ namespace Tanshu.Accounts.PointOfSale
                 return;
             IDictionary<SettleOption, decimal> options;
             var amount = -1 * _billInfo.Kots.Sum(x => x.Inventories.Sum(y => y.Amount));
-            VoucherSettlementBI.UpdateSettlements(_billInfo.Settlements, amount);
             using (var frm = new SettleChoicesForm(Math.Round(amount) * -1, _billInfo.VoucherType))
             {
                 frm.ShowDialog();