System using 'Runtime mode' has more particles and looks differently

Repro steps:

1. Import the attached project and open the VFXURPLit scene
2. Open the LitURP VFX and observe the number of particles in the URP logo
3. Go to Advanced > Runtime Mode (or close the VFX Window)
4. Observe the effect looks different / has more particles

Expected outcome: No change in particles/simulation

Actual outcome: in Runtime mode there are more particles, and the simulation looks different