fix(medusa): draft order set payment as captured (#2479)

**What**
- when an order is created from a draft order, set the payment of the order as captured

FIXES CORE-592

packages/medusa/src/api/routes/admin/draft-orders/register-payment.ts

@@ -111,6 +111,8 @@ export default async (req, res) => {
     await draftOrderService
       .withTransaction(manager)
       .registerCartCompletion(draftOrder.id, result.id)
+
+    await orderService.withTransaction(manager).capturePayment(result.id)
   })
 
   const order = await orderService.retrieve(result.id, {