Cascade Beam Emitter Lifetime Module Is Broken

Cascade beam emitter lifetime module is broken. 

Working as expected in 4.19 CL# 4033788

Found in 4.20 CL# 4233996, 4.20 CL# 4247867

This is a regression.

1. Open the editor
2. Create a new particle system
3. Set the TypeData to Beam Data
4. In the Beam Data module set the "Beam Method" to "Distance"
5. Place the emitter in the level

Results:
The beam particle will stay there infinitely 

Expected:
The beam particle would die and respawn based off the lifetime module

Fix UE-51650

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