Reproduction steps:
1. Open the attached “ParticleEmit.zip” project
2. Double click on the “Main.prefab” from the Project Window
3. Select the “Main” GameObject in the Hierarchy
4. Observe the “Particles” menu in the Scene view

Expected result: During the Particle burst the “Sub Emitter Particle” has a value of 1
Actual result: During the Particle burst the “Sub Emitter Particle” has a value of 4

Reproducible with: 2022.1.0a10, 2022.3.33f1, 6000.0.7f1
Not reproducible with: 2021.3.39f1, 2022.1.0a9

Reproducible on: macOS 13 (M1), macOS 14 (M2 Ultra), Windows 11
Not reproducible on: no other environment tested

Note: Reproducible on a new project