Particle System With Light Module Breaks Source Length Or Min Roughness

When adding a particle system to a scene with dynamic point lights with their source radius/min roughness altered results in those parameters getting reset to default.

Note

• Point light mush have cast shadows unchecked.

1. Open attached project
2. Add particle system in content browser to the scene

RESULT
The source length/min roughness reverts to default.

EXPECTED
The source length and min roughness are maintained.

[UE-23848] Bug Status

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