If PO Voucher is Paid where a Discount is Earned should it Put the Discount on PO as Encumbrance

After paying a voucher tied to a PO/Receipt with a discount earned, and then running the AP Budget Check process on the payment (AP_ACCTDSE) for the discount earned entry, it puts an encumbrance on the PO for the amount of the discount and charges expense for the full amount.

For example, a PO/Receipt has a line for $100 and the full amount is paid on a voucher where the voucher is using a pay term with a 2% discount. After running payment post and then the AP Budget Check process on the payment (AP_ACCTDSE) for the discount earned entry the expense is charged for the full $100 and the discount of $2 is put back on the PO as an encumbrance. The voucher is