Main: BillboardChain - fix orientation when there is only one camera
Main: BillboardChain - fix orientation when there is only one camera

OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre