How to turn off the lighting in the animation playback window

Hi all,

When I view a view an animation or see the playback window in the animator controller, the window that plays it has lighting applied and I would like to turn it off. Please find attached the inspector window I mean and the effect of the lighting.

I was wondering if there is an option somewhere or if someone knows how to override the inspector settings for this window to achieve what I want. I have been looking at the editor script solution but cant solve it.
I have tried many things like changing the camera background, light settings, but nothing seems to help.

Further inspection of the unity classes has led me to
https://github.com/Unity-Technologi.../Editor/Mono/Inspector/AnimationClipEditor.cs where I can now at least get an indication of when the player window pops up. I need to get access to the AvatarPreview or make one myself.

Has anyone played in this area before?

cheers