[Woo POS] Coupons: Show an error and CTA to proceed without Coupons - Dummy UI#15420

staskus merged 6 commits intotrunkwoocommerce/woocommerce-ios:trunkfrom

task/15403-woo-pos-coupons-show-an-error-and-cta-to-proceed-without-couponswoocommerce/woocommerce-ios:task/15403-woo-pos-coupons-show-an-error-and-cta-to-proceed-without-couponsCopy head branch name to clipboard