Blender: fixed missing cleanup of previous frames objects
Blender: fixed missing cleanup of previous frames objects

dariomangoni/chrono,rserban/chrono,dariomangoni/chrono,rserban/chrono,rserban/chrono,projectchrono/chrono,dariomangoni/chrono,projectchrono/chrono,projectchrono/chrono,dariomangoni/chrono,dariomangoni/chrono,projectchrono/chrono,rserban/chrono,rserban/chrono,projectchrono/chrono,rserban/chrono,dariomangoni/chrono,projectchrono/chrono,rserban/chrono