refactor: better debug

src/QUI/ERP/Coupons/Events.php

@@ -86,7 +86,9 @@ public static function onQuiqqerOrderBasketToOrder(
                     $Discount->getAttribute('scope') === QUI\ERP\Discount\Handler::DISCOUNT_SCOPE_UNIQUE
                 ) {
                     // add to the product
-                    foreach ($Products->getProducts() as $Product) {
+                    $products = $Products->getProducts();
+
+                    foreach ($products as $Product) {
                         if ($Discount->canUsedWith($Product) === false) {
                             continue;
                         }