Editor lock on destructible mesh spawn

Spawning an actor during TG_PrePhysics is added to TG_StartPhysics which leads to the editor locking up when multiple actors are spawned.

1. Download/unzip attached project
2. Open project and PIE

Result:
Editor will lock up after a couple seconds

Repro Rate:
3/3*

*only repro'd in sample project provided by user

TickGroup queue logic causes Apex deadlock