When the slideshow is deactivated (not shown to the stream), makes it so that it can either continue playing regardless, pause, or restart the slideshow when the source is activated (shown to the stream) again. Split from jp9000/obs-studio#976
When the slideshow is deactivated (not shown to the stream), makes it so that it can either continue playing regardless, pause, or restart the slideshow when the source is activated (shown to the stream) again. Split from jp9000/obs-studio#976