Revert "StereoCamera multiple fixes"

This reverts commit 2c95b9710e57998b39aca48d283b14dc8b440b8b.
fix: some stuff is removed for proper RT support
add: Progressive image sampler support for V-Ray 3.0
fix: useless ui hidden
fix: attribute label
fix: settings dissapper when changing material id
Add SphereFade and SphereFadeGizmo
multiple fix for Stereoscopic
add: experimental options trigger
fix: proper GPU mode selection
add: experimental options trigger
fix: description dot at the end