macosx: fixed setting the following options on the command line: 'macosx-vdev', 'macosx-nativefullscreenmode', 'macosx-video-autoresize', 'macosx-black', 'macosx-mediakeys', 'macosx-appleremote'

This also closes #5892.

This is a manual backport of 7f0b026896bf32365a641b54bc9d88d95d45885d