Issue #3355673 by Grimreaper, pdureau: Drupal Commerce support

...Handler/FormCommerceCheckoutFlowMultistepDefaultAlter.php

...tes/overrides/commerce/cart/commerce-cart-block.html.twig

...verrides/commerce/cart/commerce-cart-empty-page.html.twig

...e/checkout/commerce-checkout-form--with-sidebar.html.twig

...rrides/commerce/checkout/commerce-checkout-form.html.twig

...mmerce/checkout/commerce-checkout-order-summary.html.twig

...es/commerce/checkout/commerce-checkout-progress.html.twig

...merce/promotion/commerce-coupon-redemption-form.html.twig

ui_suite_bootstrap.info.yml

ui_suite_bootstrap.theme