pages/orders and pages/clients: add missing logic in handleSubmit

in clients, adding 1 to total was missing
in orders, adding the added memeber to the list and adding to total was missing

server/api/orders/[id].get.ts

@@ -25,6 +25,7 @@ export async function getOrder(id: bigint) {
           offer: true,
         },
       },
+      client: true,
     },
   });