1. FNBDataSet AcCSD added IsModifierItemFlowStock, IsPriceExclusive.
2. Rectify AcCSD.ItemTotalWGSTSet datatype
3. Enhancement on modifier selection process flow.
- modifier item qty shall always follow main item qty
- display total Price included modifier item price in main screen and confirmation screen.
- fix AcCSD.Discount null for modifier row.
- assign value AcCSD.IsPriceExclusive
- revenue payment, change message "Request Failed" to "Payment Failed! Please Try Again."