Cascade - Some Delayed Particle Emitters Don't Function with High Delta Times

This is a Cascade issue from a UDN where single loops can be skipped if the DT is high enough.

1. Create a particle system with the following characteristics
   1. Add an emitter instance (Sprite Template / graphic does not matter, can be a solid red line for example)
   2. Set the particle lifetime of that emitter instance to 0 (infinite lifetime)
   3. Set the emitter duration to an arbitrary small value like .05
   4. Set the emitter delay to an arbitrary small value like .05
2. Tie spawning / de-spawning that particle system to some input so you can test spawning it at will
3. Launch a PIE session
4. Cap FPS of your session to some a small FPS value ("t.MaxFPS 5" for example)
5. Try spawning the particle system and observe that particle does not emit