Add response_log for set_leverage

freqtrade/exchange/okx.py

@@ -118,13 +118,15 @@ class Okx(Exchange):
         if self.trading_mode != TradingMode.SPOT and self.margin_mode is not None:
             try:
                 # TODO-lev: Test me properly (check mgnMode passed)
-                self._api.set_leverage(
+                res = self._api.set_leverage(
                     leverage=leverage,
                     symbol=pair,
                     params={
                         "mgnMode": self.margin_mode.value,
                         "posSide": self._get_posSide(side, False),
                     })
+                self._log_exchange_response('set_leverage', res)
+
             except ccxt.DDoSProtection as e:
                 raise DDosProtection(e) from e
             except (ccxt.NetworkError, ccxt.ExchangeError) as e: