How to reproduce:
1. Open the user's attached "MeshesBlackSceneView.zip" project
2. Open the "samplescene" Scene
3. Select the "CubeSSS" GameObject in the Hierarchy window
4. Click the "Lighting" button in the Scene view control bar to turn off Scene lighting
5. Observe the Scene view

Expected result: The "CubeSSS" GameObject, which has a material with the Material Type property set to Subsurface Scattering is visible when Scene lighting is turned off
Actual result: The "CubeSSS" GameObject, which has a material with the Material Type property set to Subsurface Scattering becomes black when Scene lighting is turned off

Reproducible with: 7.1.5 (2019.3.0b4), 7.4.3 (2019.4.10f1), 9.0.0-preview.54 (2020.1.5f1), 10.0.0-preview.27 (2020.2.0b2)
Not reproducible with: 4.10.0-preview (2018.4.27f1), 7.1.2 (2019.3.0b4)

Note:
- The issue is not reproducible when Material Type property is set to Standard, Anisotropy, Iridescence, Specular Color, Translucent