message: let's allow right fees for v3 txns
diff: @@ -3022,7 +3022,7 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
  vin.scriptWitness.SetNull();
  }
  - nFeeNeeded = GetMinFee(nBytes, txNew.nVersion < 3 ? txNew.nTime : 1447700000);
  + nFeeNeeded = GetMinFee(nBytes, txNew.nVersion < 3 ? txNew.nTime : 1591617600);
  if (nFeeRet >= nFeeNeeded) {
  // Reduce fee to only the needed amount if possible. This
  @@ -3037,7 +3037,7 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
  // change output. Only try this once.
  if (nChangePosInOut == -1 && nSubtractFeeFromAmount == 0 && pick_new_inputs) {
  unsigned int tx_size_with_change = nBytes + coin_selection_params.change_output_size + 2; // Add 2 as a buffer in case increasing # of outputs changes compact size
  - CAmount fee_needed_with_change = GetMinFee(tx_size_with_change, txNew.nVersion < 3 ? txNew.nTime : 1447700000);
  + CAmount fee_needed_with_change = GetMinFee(tx_size_with_change, txNew.nVersion < 3 ? txNew.nTime : 1591617600);
  CAmount minimum_value_for_change = MIN_TXOUT_AMOUNT; //ppcTODO - is this correct?
  if (nFeeRet >= fee_needed_with_change + minimum_value_for_change) {
  pick_new_inputs = false;
  