GPU Particle Initial Color With Distribution Constant Curve Will Not Transition Between Points

GPU Particles will only use the first point of an Initial color module with Distribution set to Constant Curve.

Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.222 CL# 4768593

1. Open attached project
2. Open the particle named "Bug"

Results:
The particle will stay one color but will not fade between the two set points.

Expected:
The color of the particle will fade from one color to another just like the CPU particle