Fix issue 578 (recurrence of #478): Single Episode Downloads Not Functioning Correctly

[sirstudly]

It looks like this line was accidentally commented out as part of this commit which resulted in episode.skip_scraping = True always being set regardless of whether a season pack was downloaded. This disabled any episode level scraping further down the line...

See https://github.com/itsToggle/plex_debrid/issues/578