Huobi: add error for contract account not found
Huobi: add error for contract account not found

`https://api.hbdm.com/api/v1/contract_account_info` does throw error `{"status":"error","err_code":1010,"err_msg":"Account doesnt exist.","ts":1648137970490}`
The other endpoints like spot `https://api.huobi.pro/v1/account/accounts/:id/balance`
ccxt/ccxt,ccxt/ccxt,ccxt/ccxt,ccxt/ccxt,ccxt/ccxt