message: fuzz: Sanity check result of CheckTransaction
diff: @@ -61,8 +61,11 @@ FUZZ_TARGET_INIT(transaction, initialize_transaction)
  return;
  }
  + {
  TxValidationState state_with_dupe_check;
  - (void)CheckTransaction(tx, state_with_dupe_check);
  + const bool res{CheckTransaction(tx, state_with_dupe_check)};
  + Assert(res == state_with_dupe_check.IsValid());
  + }
  const CFeeRate dust_relay_fee{DUST_RELAY_TX_FEE};
  std::string reason;
  