message: Fix typo where tried to use stateRoot as a UTXORoot
diff: @@ -581,7 +581,7 @@ bool BlockAssembler::AttemptToAddContractToBlock(CTxMemPool::txiter iter){
  bceResult.refundOutputs.insert(bceResult.refundOutputs.end(), testExecResult.refundOutputs.begin(), testExecResult.refundOutputs.end());
  bceResult.valueTransfers = std::move(testExecResult.valueTransfers);
  - EnforceContractVoutLimit(testExecResult, bceResult, oldHashStateRoot, oldHashStateRoot, transactions);
  + EnforceContractVoutLimit(testExecResult, bceResult, oldHashUTXORoot, oldHashStateRoot, transactions);
  pblock->vtx.emplace_back(iter->GetSharedTx());
  pblocktemplate->vTxFees.push_back(iter->GetFee());
  