- Added a new Embed Thumbnails option in Preferences to enable/disable Parabolic's downloading of thumbnails separate from metadata

- Added a disclaimer about embedding thumbnails/subtitles when using generic file types

- Fixed an issue where the incorrect previous video and/or audio format was selected

- Fixed an issue where chapters were embedded even if the option was disabled

- Fixed an issue where splitting media by chapters would result in incorrect media lengths in the split files

- Fixed an issue where video and audio formats were not selectable on GNOME