Samuel Draper

### What happened? ### Description When trying to use an environment variable for the setting 'Only allow this gateway to be used for zero value orders?' the control panel does...

[4.x]: Discount automatically applied to all orders when no coupon code is set

6

### What happened? ### Description Users automatically seeing coupon codes applied at checkout, and discount applied for which they are not eligible. Cause seems to be because no coupon code...