[Vouchers] No red highlighting of voucher code when code can't be found

[drummer83]

Description

When a voucher code is entered which can't be found there is an error message asking to update the highlighted fields. But the voucher code input field is not highlighted in this case.

Expected Behavior

The voucher code field should be highlighted (in red, see other examples).

Actual Behaviour

There is the error message, but no highlighting.

Steps to Reproduce

1. Proceed to checkout at an enterprise which has vouchers.
2. On step 2 type an invalid voucher code.
3. Look at the error message and the voucher code input field.

Animated Gif/Screenshot

Workaround

Severity

bug-s4: it's annoying, but you can use it

Your Environment

• Version used:
• Browser name and version:
• Operating System and version (desktop or mobile):

Possible Fix

[rioug]

will be fixed by #11003

[filipefurtad0]

#11135 fixes this 🎉 closing!