message: [GUI] Reconnect CS owner address edit-label action
  This action connection was incorrectly commented out when switching to
  the new QT5 `connect` syntax. Fix it now by using a simple lambda.
diff: @@ -642,7 +642,7 @@ void ColdStakingWidget::handleAddressClicked(const QModelIndex &rIndex)
  connect(this->menu, &TooltipMenu::message, this, &AddressesWidget::message);
  connect(this->menu, &TooltipMenu::onEditClicked, this, &ColdStakingWidget::onEditClicked);
  connect(this->menu, &TooltipMenu::onDeleteClicked, this, &ColdStakingWidget::onDeleteClicked);
  - //connect(this->menu, &TooltipMenu::onCopyClicked, this, &ColdStakingWidget::onLabelClicked);
  + connect(this->menu, &TooltipMenu::onCopyClicked, [this](){onLabelClicked();});
  connect(this->menu, &TooltipMenu::onLastClicked, this, &ColdStakingWidget::onCopyOwnerClicked);
  } else {
  this->menu->hide();
  