Draft: Adapt the surface_model to the new BVH navigator from AdePT
This MR rebases the surface_model onto the master HEAD, and then adapts it to the new BVHNavigator from AdePT. Some small fixes were needed for the testRaytracing to build and pass.
This MR rebases the surface_model onto the master HEAD, and then adapts it to the new BVHNavigator from AdePT. Some small fixes were needed for the testRaytracing to build and pass.