2025.11.21.1164 - Fixed session thumbnails & yt-dlp on Linux — Resonite Steam update #1113512

Hello everyone! I got a small patch today, fixing up a few issues that popped up so they're in place before the Block Party. None of the new features are merged in this so the build is compatible with previous! Update at your leisure. .NET 10 version coming soon on prerelease channel! Fixes: - Fixed session thumbnails failing to upload due to using stale or nonexistent thumbnail IDs in their URL generation (reported by @karasutengu, fixed by @Gawdl3y, issue #5874) - Replaced the yt-dlp (zipimport) Linux binary with yt-dlp_linux (standalone PyInstaller bundle) (fixed by @j4.lc, issue #5867) -- This should restore YouTube (and other services) video playback on Linux -- yt-dlp no longer supports Python 3.9, requiring a minimum of 3.10. Steam Runtime still only provides 3.9. -- The standalone yt-dlp_linux binary previously caused issues for some users during prerelease testing of The Splitte...