NullReferenceException is thrown when opening Light Explorer with 2D Lights

Unity: 2D

2023.2.X

2023.2.0a4

2023.1.X

2023.1.0a18 onwards

How to reproduce:
1. Open the attached project “2023.1 Alpha.zip”
2. Open Window>Rendering>Light Explorer

Expected results: No NullReferenceException is thrown
Actual results: NullReferenceException is thrown

Reproducible with: 2023.1.0a18, 2023.1.0a20
Not reproducible with: 2020.3.41f1, 2021.3.14f1, 2022.1.23f1, 2022.2.0b15, 2023.1.0a17

Reproducible on: Windows 10