[IconApplet] Port KRun to ApplicationLauncherJob

Test Plan:
Open the Application Launcher, right click any app -> Add to Panel (Widget),
then click the icon on the panel, it should launch.

Reviewers: #plasma, broulik, dfaure

Reviewed By: dfaure

Subscribers: dfaure, ngraham, plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D29687

applets/icon/iconapplet.cpp

@@ -43,7 +43,6 @@
 #include <KLocalizedString>
 #include <KNotificationJobUiDelegate>
 #include <KProtocolManager>
-#include <KRun>
 #include <KService>
 #include <KServiceAction>
 
@@ -432,7 +431,9 @@ void IconApplet::run()
         connect(m_startupTasksModel, &QAbstractItemModel::rowsAboutToBeRemoved, this, std::bind(handleRow, false /*busy*/, _1, _2, _3));
     }
 
-    new KRun(QUrl::fromLocalFile(m_localPath), QApplication::desktop());
+    KIO::ApplicationLauncherJob *job = new KIO::ApplicationLauncherJob(KService::Ptr(new KService(m_localPath)));
+    job->setUiDelegate(new KNotificationJobUiDelegate(KJobUiDelegate::AutoHandlingEnabled));
+    job->start();
 }
 
 void IconApplet::processDrop(QObject *dropEvent)