message: bench: Use existing chainman in AssembleBlock
diff: @@ -39,7 +39,7 @@ static void AssembleBlock(benchmark::Bench& bench)
  LOCK(::cs_main); // Required for ::AcceptToMemoryPool.
  for (const auto& txr : txs) {
  - const MempoolAcceptResult res = ::AcceptToMemoryPool(::ChainstateActive(), *test_setup->m_node.mempool, txr, false /* bypass_limits */);
  + const MempoolAcceptResult res = ::AcceptToMemoryPool(test_setup->m_node.chainman->ActiveChainstate(), *test_setup->m_node.mempool, txr, false /* bypass_limits */);
  assert(res.m_result_type == MempoolAcceptResult::ResultType::VALID);
  }
  }
  