-Added a function for computing per-edge cotangent weights
-Added a function for computing edge lengths
-Added a geometry script function for bluring colors
#rb david.hill
#jira none
[CL 26029009 by rinat abdrashitov in ue5-main branch]
Decrease the floor for the small triangle area to handle small yet still visible meshes.
Added the new TriangleArea option to the ECotangentWeightMode.
#rb nathan.mitchell
#jira None
#preflight 623c8e081302f69e9aa19472
[CL 19498265 by rinat abdrashitov in ue5-main branch]