fix(orders): update default sorting order for orders

- Changed the default sorting order for orders from 'datetime_start:asc' to 'datetime_start:desc' to ensure the most recent orders are displayed first, improving the user experience in order management.

packages/graphql/api/orders.ts

@@ -39,7 +39,7 @@ export const ERRORS = {
   SLOT_CLOSED: 'Слот закрыт',
 };
 
-const DEFAULT_ORDERS_SORT = ['slot.datetime_start:desc', 'datetime_start:asc'];
+const DEFAULT_ORDERS_SORT = ['slot.datetime_start:desc', 'datetime_start:desc'];
 
 export class OrdersService extends BaseService {
   async createOrder(variables: VariablesOf<typeof GQL.CreateOrderDocument>) {