Reproduction steps:
1. Open the attached project located in “prefabmodecamerbug”
2. Open “SampleScene”
3. Select “Particle System” in the Hierarchy window
4. Observe the particles displaying over the Canvas in Scene view
5. Enter “ExamplePrefab” prefab mode in context
Expected result: The particles are still displayed over the Canvas in Scene view
Actual result: The particles are no longer visible
Reproducible with: 2020.3.44f1, 2021.3.17f1, 2022.2.4f1, 2023.1.0a4
Not reproducible with: 2023.1.0b1
Fixed in: 2023.1.0a5
Reproducible on: macOS 12.4 (Intel)