This studio light preset is designed for color painting tasks. As color
are multiplied on top of the current studio light/matcap, this should be
as white as possible and with very soft speculars to avoid color
distorsion while showing the volume of the mesh.
Reviewed By: jbakker, JulienKaspar
Differential Revision: https://developer.blender.org/D8209
This removes the soft and warm studiolight.
This tweak the outdoor and studio presets for more contrast.
It also introduces a rim studiolight that add more variation.
