fix variant value

src/pages/checkout/hooks/useOrder.ts

@@ -72,6 +72,7 @@ export default function useOrder() {
         extras: i.extras?.map((e) => e.id) || [],
         extrasgroup: i.extrasgroup || [],
         order_item_comment: i.comment || "",
+        variant: i.variant?.id,
       })),
       office_no: officeDetails?.officeNo || "",
       vatvalue: 0,