How to reproduce:

1. Create a new project.
2. In the Lighting window uncheck Baked GI and Automatic baking.
3. Create a 3D Object Sphere.
4. Select GameObject -> Light and create Light Probe group.
5. Save scene and select Build in the Lighting window.
6. Observe everything looks correct both in Game view and Scene view.
7. Hit play and notice sphere having no direct light (just reflections and GI).
8. Hit stop and observe both Game view and Scene view now rendering incorrect.

Reproducible: 5.4.0b16, 5.4.0b21
Not reproducible: 5.3.5p3, 5.3.5f1, 5.2.4f1

Regression introduced: 5.4