How to reproduce:
1. Open the attached project "ParticlesBug.zip"
2. Open "Test Particles" Scene
3. Enter Play mode
4. Pause Play mode
5. Open Console window

Expected result: Awake() function is called first
Actual result: OnParticleTrigger() function is called before Awake() function as seen in the Console window

Reproducible with: 2019.4.32f1, 2020.3.22f1, 2021.2.2f1, 2022.1.0a10
Not reproducible with: 2022.1.0a11, 2022.1.0a12

Notes:
- If you build the project and run the project you will see an error - "Assets\Scripts\TestParticles.cs(6,32): warning CS0109: The member
'TestParticles.particleSystem' does not hide an accessible member. The new keyword is not required."
- If you remove the new keyword from line 6 of 'TestParticles.cs' script, then you will see the warning: "Assets\Scripts\TestParticles.cs(6,28): warning CS0108: 'TestParticles.particleSystem' hides inherited member 'Component.particleSystem'. Use the new keyword if hiding was intended."