Changes to GET /public/get_last_trades_by_currency_and_time

added the optional property result/trades/items/block_delayed to the response with the 200 status

the response property result/trades/items/mark_price became nullable for the status 200

the query request parameter end_timestamp became optional

the query request parameter start_timestamp became optional

added the optional property result/trades/items/legs to the response with the 200 status

the result/trades/items/combo_trade_id response's property type changed from number to string for status 200

added the optional property result/trades/items/starbase_match_id to the response with the 200 status

added the optional property result/trades/items/starbase_timestamp to the response with the 200 status