external Subtitles bug fix - Set no subtitles to active when selected
external Subtitles bug fix - Set no subtitles to active when selected

TomGillen/MediaBrowser.Theater,TomGillen/MediaBrowser.Theater,thogil/MediaBrowser.Theater,MediaBrowser/Emby.Theater,TomGillen/MediaBrowser.Theater,MediaBrowser/Emby.Theater,thogil/MediaBrowser.Theater,MediaBrowser/Emby.Theater,thogil/MediaBrowser.Theater