message: Make an OutputGroup for preset inputs
  In SelectCoins, for our preset inputs, we combine all of the preset
  inputs into a single OutputGroup. This allows us to combine the preset
  inputs with additional selection algo results.
diff: @@ -443,6 +443,7 @@ bool SelectCoins(const CWallet& wallet, const std::vector<COutput>& vAvailableCo
  // calculate value from preset inputs and store them
  std::set<CInputCoin> setPresetCoins;
  CAmount nValueFromPresetInputs = 0;
  + OutputGroup preset_inputs(coin_selection_params);
  std::vector<COutPoint> vPresetInputs;
  coin_control.ListSelected(vPresetInputs);
  @@ -480,6 +481,10 @@ bool SelectCoins(const CWallet& wallet, const std::vector<COutput>& vAvailableCo
  value_to_select -= coin.effective_value;
  }
  setPresetCoins.insert(coin);
  + /* Set depth, from_me, ancestors, and descendants to 0 or false as don't matter for preset inputs as no actual selection is being done.
  + * positive_only is set to false because we want to include all preset inputs, even if they are dust.
  + */
  + preset_inputs.Insert(coin, 0, false, 0, 0, false);
  }
  // remove preset inputs from vCoins so that Coin Selection doesn't pick them.
  