Function getClosestPointOn2DLine

getClosestPointOn2DLine(
    start: Coordinate,
    end: Coordinate,
    point: Coordinate,
): Coordinate
Returns the closest point on a 2D line. the Z index is taken from the point.
Parameters
- start: Coordinate
  line segment start
- end: Coordinate
  line segment end
- point: Coordinate
  point to project
Returns Coordinate
- Defined in src/util/editor/editorHelpers.ts:171