Emissive materials are broken when loading Scene via SceneManager.LoadScene

How to reproduce:
1. Clone the https://github.com/mrpropellers/ssj22-3 repository following the instructions provided (use git CLI)
2. Open the "BossFightProject" project in the cloned repository folder
3. Open Assets/Scenes/MainMenu.unity
4. Enter Play Mode
5. Click the "start" button in the Game view

Expected results: The slug's horns are glowing in blue
Actual results: The slug's horns are not glowing

Reproducible with: 2021.3.11f1, 2022.1.17f1, 2022.2.0b9, 2023.1.0a11
Could not test with: 2020.3.40f1 (compilation errors in the Console window)

Reproducible on: Windows 10