2.0.2b15 Issue with spring force visualization

[tatt61880]

With Algodoo's feature, we can show forces which works on one object (not all objects).
== Issue ==
The feature has an issue when an visualized-force-geom is connected to other non-visualized-force-geom.
When other geom is fixed to background with fixjoint, it's OK.
In other case, a spring force is shown which shouldn't be shown.

The image below has hinges, but this issue also happens without hinges.

[scene]62854[/scene]