refactor: enhance order handling and tracking in GridEngine

- Introduced a clientOrderId system for better order identification.
- Updated order creation logic to ensure unique clientOrderIds.
- Improved order cancellation methods to maintain accurate current orders.
- Added tests for new clientOrderId functionality and level state tracking.
- Ensured that desired orders have an intent field set for clarity.
- Enhanced snapshot functionality to include level states for grid lines.

src/exchanges/order-schema.ts

@@ -9,6 +9,7 @@ export interface BaseOrderIntent {
   reduceOnly?: boolean;
   closePosition?: boolean;
   timeInForce?: TimeInForce | "GTX";
+  clientOrderId?: string;
 }
 
 export interface LimitOrderIntent extends BaseOrderIntent {