plugins.tga: Fix offline streams
plugins.tga: Fix offline streams

melmorabity/streamlink,bastimeyer/streamlink,javiercantero/streamlink,gravyboat/streamlink,mmetak/streamlink,gravyboat/streamlink,beardypig/streamlink,sbstp/streamlink,wlerin/streamlink,ethanhlc/streamlink,ethanhlc/streamlink,streamlink/streamlink,chhe/streamlink,beardypig/streamlink,back-to/streamlink,sbstp/streamlink,bastimeyer/streamlink,fishscene/streamlink,javiercantero/streamlink,chhe/streamlink,wlerin/streamlink,melmorabity/streamlink,mmetak/streamlink,fishscene/streamlink,back-to/streamlink,streamlink/streamlink