allow RBF to work properly with asset allocation txs
allow RBF to work properly with asset allocation txs

RBF wasn't working properly because duplicate was set to true and likely never going to mine the replacement tx


Former-commit-id: 67b8d0d533929a96d2b04f709ad9ae8af9a28032
syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2