Configurable joint rotates object in opposite direction without using swap bodies function.

To reproduce:
1.Open attached project
2.Open "main.unity" scene
3.Enter play mode
4.In scene window rotate GameObject Target
5.Observe as the GameObject Joint rotates in opposite direction
6.Select GameObject Joint from the hierarchy
7.In Configurable Joint settings select swap bodies
8.Rotate the GameObject Target
9.Observe as both objects rotates in the same direction

Reproduced on: 5.3.4f1 5.4.0f3 5.5.1f1 5.6.0b10

Win 10 Pro.

Screen recording attached.