feat(editor): scripted mouse and keys for the self-tests and the launcher: mouse, mouseat, glide, button, wheel, press, release, tap, type and softcursor drive the window as the user does, EU07_LAUNCHER_SELFTEST runs a script in the launcher and the scenery wizard and hands an editor script on with editorscript; selectat selects the path nearest a point, switchlink no longer takes over a crossover left in the tool, joints without points logs every issue with free ends

launcher/launchermode.cpp

@@ -17,6 +17,7 @@ bool launcher_mode::init()
 
 bool launcher_mode::update()
 {
+	m_script.step();
 	return true;
 }