message: Fix material_sandbox
diff: material {
  name : Lit,
  shadingModel : lit,
  - refractionMode : cubemap,
  - refractionType : solid,
  parameters : [
  {
  type : float3,
  @@ -39,8 +37,6 @@ material {
  fragment {
  void material(inout MaterialInputs material) {
  prepareMaterial(material);
  - //material.absorption = -log(vec3(1.0, 0.7, 0.1)) / 1.0;
  - material.thickness = 1.0;
  material.baseColor.rgb = materialParams.baseColor;
  material.roughness = materialParams.roughness;
  material.metallic = materialParams.metallic;
  