Bitmart fetchOrderTrades : handleMarketTypeAndParams
Bitmart fetchOrderTrades : handleMarketTypeAndParams

Added handleMarketTypeAndParams to fetchOrderTrades:
```
bitmart.fetchOrderTrades (20377550463, SOL/USDT)
563 ms
        id |       order |     timestamp |                 datetime |   symbol | type | side |  price | amount |   cost | takerOrMaker |
    fee |                                   fees
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3356166199 | 20377550463 | 1642652127000 | 2022-01-20T04:15:27.000Z | SOL/USDT |      | sell | 136.51 |    0.2 | 27.302 |        taker |  {"cost":0.068255,"currency":"USDT"} |  [{"currency":"USDT","cost":0.068255}]
3356166203 | 20377550463 | 1642652127000 | 2022-01-20T04:15:27.000Z | SOL/USDT |      | sell |  136.5 |   0.15 | 20.475 |        taker | {"cost":0.0511875,"currency":"USDT"} | [{"currency":"USDT","cost":0.0511875}]
2 objects
```

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