Fixed recently introduced bug where switching from 2x2 mode to full screen would not properly set the state for the window.
Fixed recently introduced bug where switching from 2x2 mode to full
screen would not properly set the state for the window.

git-svn-id: 83c4c97093aeea62ac982fbfd516bf9db27f5c99@1370 c36c8488-0289-0348-9b64-b301f74bd9a7

BlueBrain/Tuvok,BlueBrain/Tuvok,BlueBrain/Tuvok