NimbleClip 1.8.0

• On Android, a 480p-1080p YouTube download now keeps going after the app is
  closed or Android ends it. Both streams are queued up front as
  system-managed downloads, in parts, several of which run at once. One
  notification counts the parts. Joining the streams still needs the app: if
  the parts finish while it is closed, the video is joined the next time it
  opens.
• When YouTube refuses the page even after the YouTube library's own five
  retries, the app now says YouTube is refusing requests for now and to try
  again in a few minutes. It used to report "no downloadable stream", which
  blamed the video.
• Starting the same merged YouTube download or TikTok slideshow while it is
  still running no longer produces it twice. Downloads fetched from a URL were
  already guarded; options produced on the device were split off before that
  check.
• X, Instagram and Facebook failures now keep every strategy's own cause in
  the copied diagnostics, as YouTube's do since 1.7.0. Offline, each of them
  used to report only that the post had no media.
• The live extractor check now covers a YouTube Short shared with ?si=.

What's Changed

• fix: report real extraction causes and refuse duplicate rendered downloads by @vannt-dev in #26
• feat(downloads): keep an HD merge fetching after the app process ends by @vannt-dev in #27
• chore(release): 1.8.0 by @vannt-dev in #28
• test(downloads): wait for the receipt, not just the finished status by @vannt-dev in #29

Full Changelog: v1.7.0...v1.8.0