message: [GUI] Send Widget: set total remaining from unlocked balance
diff: @@ -134,9 +134,9 @@ void SendWidget::refreshAmounts()
  totalAmount = walletModel->getBalance(CoinControlDialog::coinControl) - total;
  ui->labelTitleTotalRemaining->setText(tr("Total remaining from the selected UTXO"));
  } else {
  - // Wallet's balance
  - totalAmount = walletModel->getBalance(nullptr, fDelegationsChecked) - total;
  - ui->labelTitleTotalRemaining->setText(tr("Total remaining"));
  + // Wallet's unlocked balance
  + totalAmount = walletModel->getUnlockedBalance(nullptr, fDelegationsChecked) - total;
  + ui->labelTitleTotalRemaining->setText(tr("Unlocked remaining"));
  }
  ui->labelAmountRemaining->setText(
  GUIUtil::formatBalance(
  