Stripe passing of discounts won't work, because it has to be specified if there is a promotional code or a coupon code being passed

Wappler Version : 7.0.0 beta 7
Operating System : Windows 10
Server Model: NodeJS
Database Type: MariaDB
Hosting Type: Local / local docker

Expected behavior

One should be able to specify whether a discount code or a promotional code is being passed.

Actual behavior

There is no way to specify whether a coupon code or promotional code is being passed. One is only able to specify, whether promotional codes are allowed.
BugStripe1

How to reproduce

Just pass a coupon or promo code simeltaneously along the call of the embedded or hosted checkout. The following error will occur in the logs:

Discounts is specified. Allow_promotion_code is empty.
Still:

Even when I pass it as an array in a cookie, it won't work.
Q5