refactor: rpc: Remove vector copy from listtransactions
refactor: rpc: Remove vector copy from listtransactions

No change in behavior.


Former-commit-id: 8440848b149b53a68d88455c0db07ba9cf3cd484
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2