Well, It’s something at now I dont know how figure out.
If main Electron MagicMIrrror app is starter in FullScreen Mode, without menu bar, etc… I think is not possible -maybe yes- create a new window with these attributes and not full screen.
Please can you check this
https://github.com/electron/electron/blob/master/docs/api/window-open.md
Also, by a way is necessary set the Node Integration
