Fix "curves->Nearest Point on Curve".

Открыто nikitronn запросил слияние nearest_point_on_curve_fix_002 в master

Created by: satabol

  • test a curve is closed or open.
  • a curve can be straight.
  • higher quality for non precision algorithm.
  • fix precision mode for closed curve.

Nearest Point on Curve pr 001

.blend for tests: https://disk.yandex.ru/d/qO9qU4vAGtFzbQ