[Bugfix]: Misc. bugfixes 2024-04-16 (#189)

* Manually installed mutagen

* Stopped upgrade form from submitting on enter

* Gracefully handle duplicate enqueued downloads

* Update metadata thumbnail fetcher to use the best jpg available

dev.Dockerfile

@@ -29,6 +29,9 @@ RUN yt-dlp -U
 # Download Apprise
 RUN python3 -m pip install -U apprise --break-system-packages
 
+# Download Mutagen for music thumbnail generation
+RUN python3 -m pip install -U mutagen --break-system-packages
+
 # Set the locale
 RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
 ENV LANG en_US.UTF-8