message: qt, refactor: Fix 'buttonClicked is deprecated' warnings
diff: @@ -178,8 +178,15 @@ void SendCoinsDialog::setModel(WalletModel *_model)
  }
  connect(ui->confTargetSelector, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &SendCoinsDialog::updateSmartFeeLabel);
  connect(ui->confTargetSelector, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &SendCoinsDialog::coinControlUpdateLabels);
  +
  +#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
  + connect(ui->groupFee, &QButtonGroup::idClicked, this, &SendCoinsDialog::updateFeeSectionControls);
  + connect(ui->groupFee, &QButtonGroup::idClicked, this, &SendCoinsDialog::coinControlUpdateLabels);
  +#else
  connect(ui->groupFee, static_cast<void (QButtonGroup::*)(int)>(&QButtonGroup::buttonClicked), this, &SendCoinsDialog::updateFeeSectionControls);
  connect(ui->groupFee, static_cast<void (QButtonGroup::*)(int)>(&QButtonGroup::buttonClicked), this, &SendCoinsDialog::coinControlUpdateLabels);
  +#endif
  +
  }
  ui->customFee->setSingleStep(requiredFee);
  updateFeeSectionControls();
  