[BUG] Message for adding promotion code

[kstala]

Is there an existing issue for this?

• [X] I have searched the existing issues

Current Behavior

For invalid promotion codes we have two cases:

• if the promotion code does not exist or if the promotion code exists but is no longer valid it would look better if a promo code appeared in messege than a meaningless "code 0"

Expected Behavior

No response

Steps To Reproduce

No response

Environment

- OS:
- Node:
- pnpm:

Anything else?

No response