ENH: Update render delegates actors

Base/Rendering/RenderDelegate/imstkCubeRenderDelegate.cpp

Base/Rendering/RenderDelegate/imstkPlaneRenderDelegate.cpp

Base/Rendering/RenderDelegate/imstkRenderDelegate.cpp

Base/Rendering/RenderDelegate/imstkRenderDelegate.h

Base/Rendering/RenderDelegate/imstkSphereRenderDelegate.cpp

...ndering/RenderDelegate/imstkSurfaceMeshRenderDelegate.cpp

...ing/RenderDelegate/imstkTetrahedralMeshRenderDelegate.cpp

Base/Rendering/imstkRenderer.cpp

Base/Rendering/imstkRenderer.h

Base/SimulationManager/imstkInteractorStyle.cpp