v2.9.4-master

Fix video screensaver launch game controls

Video screensaver wasn't launching games when the Image screensaver had been set to use custom images, even if not in use.

Introduced in #673 .

Reported in https://retropie.org.uk/forum/topic/29291/video-screensaver-black-screen-with-omx-on-and-controls-not-working/