How to reproduce:
1. Create a new project
2. In the Hierarchy window create a new GameObject 
3. In the Inspector window add a “Particle System” Component
4. Move GameObject to the Project window to make a Prefab
5. Select a Prefab in a Project window
6. In the Inspector window enable “Trails” of the “Particle System” Component
7. Open the “Renderer” tab and observe the result

Expected result: Trail Material is in the “Renderer” tab
Actual result: Trail Material is not in the “Renderer” tab

Reproducible with: 2020.3.37f1, 2021.3.7f1, 2022.1.11f1, 2022.2.0b3, 2023.1.0a4

Reproduced on: macOS 12.4 (Intel)

Note: Not reproducible with a non-prefab GameObject