macosx: fix handling of video-on-top (close #9615) (cherry picked from commit 77cb25d1ad159d6ec924aef48e47227121b36efa)
macosx: fix handling of video-on-top (close #9615)
(cherry picked from commit 77cb25d1ad159d6ec924aef48e47227121b36efa)

Signed-off-by: David Fuhrmann <1118fa3e4e403c0aeed361cc3f3eb9aca4cc425c@googlemail.com>

jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,vlc-mirror/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,jomanmuk/vlc-2.1