Wallet payment issue

Screenshot- https://drive.google.com/file/d/1nC9AmGQl1LGK6wakhAioMUTaUPUujjiE/view?usp=sharing

Wallet balance is ?849
Product price- ?899
Discount applied on prepaid order via different plugin is ?50

but as you can see wallet is only deducting 808 instead of 849 amount.
if that’s because of discount code issue then can you please share a fix if wallet payment is less than the product amount then no code should applied.

As the code is auto-applied on all other payment methods. I have already disabled this Prepaid order code for wallet payment. But as wallet balance is less than product amount so it auto select the other payment method to pay the remaining balance and the discount code is applied in this case.