[BACKEND] Filter out upcoming videos and post-live streams by default in TV show presets (#738)
Follow-up to filtering out live videos. YouTube channels with an upcoming video that hasn't premiered yet would also hang ytdl-sub. Perform a match-filter to skip those as well.
More info on match-filters here: https://ytdl-sub.readthedocs.io/en/latest/config.html#match-filters