message: [GUI] minor snackbar dialog delete.
diff: @@ -106,6 +106,7 @@ void TxDetailDialog::setData(WalletModel *model, QModelIndex &index){
  snackBar->setText(tr("ID copied"));
  snackBar->resize(this->width(), snackBar->height());
  openDialog(snackBar, this);
  + snackBar->deleteLater();
  });
  }
  