message: Fix the view-presentation icon in lumina-pdf
diff: @@ -177,8 +177,8 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){
  ui->actionPrevious_Page->setIcon(LXDG::findIcon("go-previous",""));
  ui->actionNext_Page->setIcon(LXDG::findIcon("go-next",""));
  ui->actionLast_Page->setIcon(LXDG::findIcon("go-last",""));
  - ui->actionStart_Here->setIcon(LXDG::findIcon("video-television","media-playback-start-circled"));
  - ui->actionStart_Begin->setIcon(LXDG::findIcon("video-display","presentation-play"));
  + ui->actionStart_Here->setIcon(LXDG::findIcon("video-display","media-playback-start-circled"));
  + ui->actionStart_Begin->setIcon(LXDG::findIcon("view-presentation","presentation-play"));
  ui->actionStop_Presentation->setIcon(LXDG::findIcon("media-playback-stop", "media-playback-stop-circled"));
  ui->actionBookmarks->setIcon(LXDG::findIcon("bookmark-new",""));
  ui->actionFind->setIcon(LXDG::findIcon("edit-find",""));
  