* add ability to deep scan just a single tv show for Plex, Emby, and Jellyfin
Including "/api/libraries/{id:int}/scan-show" REST API endpoint to
trigger.
* restrict plex search results to the intended library
* restrict scanning to media server libraries that are marked to sync with etv
* fix previous commit
* also guard library scan api
* add scan buttons to show ui
* scan single plex show by id
* scan jellyfin and emby single shows by id
* update changelog
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Co-authored-by: Jeff Slutter <MrMustard@gmail.com>
Co-authored-by: Jason Dove <1695733+jasongdove@users.noreply.github.com>
