@sdetweil do you know, how i convert the headless image Rasbian Lite in to a GUI version?

Hi together,
i need an instruction, while starting MM on to boot.
Some Info to my Pi.
I have a installation of Homebridge and MM with npm2
Both works well.
My problem is, that the Pi wont start into the GUI, i get only the headles screen. Connection with VNC works also very and shows me the GUI.
however, where is my fail my brain wont show me
Thank you for your help.