fix: attach device_name to order items in API checkout route

shop/app/api/orders/checkout/route.ts

@@ -76,7 +76,11 @@ export async function POST(request: Request) {
           type === 'purchase' ? 'one_time' : 'monthly',
           item.moduleQuantities
         );
-        orderItemsList.push(...itemSnapshot.items);
+        const itemsWithDevice = itemSnapshot.items.map(i => ({
+          ...i,
+          device_name: item.deviceName
+        }));
+        orderItemsList.push(...itemsWithDevice);
         total += itemSnapshot.total;
       }