desktop-shell: Add back the saved position and rotation for fullscreen/maximized
desktop-shell: Add back the saved position and rotation for fullscreen/maximized

Signed-off-by: Quentin Glidic <241385a0e41ea713327e189bce1062decf7c1eb5@sardemff7.net>
Reviewed-by: Jonas Ådahl <67dcd8a17e758192e0cbb577ce1d62cc7da6cf49@gmail.com>

sir-murray/weston,sir-murray/weston