gateio futures is showing base currency in volume!

freqtrade/exchange/gateio.py

@@ -34,6 +34,7 @@ class Gateio(Exchange):
 
     _ft_has_futures: Dict = {
         "needs_trading_fees": True,
+        "ohlcv_volume_currency": "base",
         "fee_cost_in_contracts": False,  # Set explicitly to false for clarity
         "order_props_in_contracts": ['amount', 'filled', 'remaining'],
     }