Update Dropship QTY - Reflect on Customer Purchase Order

1. Create regular Customer Purchase Order
2. Set Items to Dropship 
3. Place and Process the Drop shipment
4. Increase the stocks for the Drop shipment 
5. Confirm Drop shipment
6. The items have created additional (replicated) line items to account for the additional items.
7. Paper Trail entries have been created
8. Process the dropshipped customer order 
9. Finalizing the customer invoice. The line items are consistent with the added items.