Add kill all button to ScenarioManagerGui

source/ArmarXGui/gui-plugins/ScenarioManager/ScenarioManagerWidgetController.cpp

@@ -243,6 +243,12 @@ QPointer<QWidget> ScenarioManagerWidgetController::getCustomTitlebarWidget(QWidg
     customToolbar->addAction(QIcon(":/icons/configure-3.png"), "Configure", &settingsController, SLOT(showSettings()));
     QToolTip::showText(customToolbar->mapToGlobal(QPoint(0, 0)), "Additional Packages can be opened in the settings");
     customToolbar->addAction(editModeAction);
+    {
+        QAction* killallAction = new QAction("Kill All", this);
+        customToolbar->addAction(killallAction);
+        killallAction->setToolTip("Kill all armarx applications except guis on this pc (executes 'armarx killAll')");
+        connect(killallAction, &QAction::triggered, [] { [[maybe_unused]] auto result = std::system("armarx killAll");});
+    }
     return customToolbar.data();
 }