qds: add feature to Key_Escape the splashscreen

Change-Id: I815b15a9234e693518feb1ff6b218dc607bd3578
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/studiowelcome/qml/splashscreen/main.qml

@@ -27,6 +27,14 @@ import QtQuick 2.0
 
 Item {
     id: root
+
+    focus: true
+    Keys.onPressed: (event)=> {
+        if (event.key == Qt.Key_Escape)
+            root.doNotShowAgain = false
+            root.closeClicked()
+    }
+
     width: 600 * root.mainScale
     height: 720 * root.mainScale
 

src/plugins/studiowelcome/studiowelcomeplugin.cpp

@@ -576,6 +576,7 @@ void StudioWelcomePlugin::extensionsInitialized()
 
             s_view->show();
             s_view->raise();
+            s_view->setFocus();
         });
     }
 }