Main: ShadowRenderer - forward visibility flags (#1511)
Main: ShadowRenderer - forward visibility flags (#1511)

Co-authored-by: Paul Nader <29909108b2d1bc37a6d2e542954a7841c36ad10d@dyson.com>
paroj/ogre,paroj/ogre,OGRECave/ogre,OGRECave/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre