How to reproduce:
1. Open the user's attached "New Unity Project (5).zip" project
2. Open the "SampleSceneMany" Scene
3. Go to Window -> Rendering -> Light Explorer
4. Make sure "Show Inactive Objects" is checked in the Light Explorer window
5. Observe the lights in the Light Explorer window
Expected result: Only the inactive lights in the Hierarchy are shown in the Light Explorer window
Actual result: The inactive lights in the Hierarchy and Prefabs, which have a Light Component are shown in the Light Explorer window
Reproducible with: 2020.2.0a10, 2020.2.0b4
Not reproducible with: 2020.1.7f1, 2020.2.0a09
Could not test with: 2018.4.27f1, 2019.4.11f1 ("Show Inactive Objects" checkbox is not available in the Light Explorer)