Merge develop to main for v2.6

[ptr727]

• Version 2.6:
  • Fixed SidecarFile.Update() bug that would not update the sidecar when only the State changed, and kept re-verifying the same verified files.
  • Added a --reprocess option to the process command, process --reprocess [0 (default), 1, 2]
    • The --reprocess option can be used to override conditional sidecar state optimizations, e.g. don't verify if already verified.
    • 0: Default behavior, do not do any reprocessing.
    • 1: Re-process low cost operations, e.g. tag detection, closed caption detection, etc.
    • 2: Re-process all operations including expensive operations, e.g. deinterlace detection, bitrate calculation, stream verification, etc.
    • Whenever processing logic is updated or improved (e.g. this release), it is recommended to run with --reprocess 1 at least once.
  • Added workaround for HandBrake that force converts closed captions and subtitle tracks to ASS format.
    • After HandBrake deinterlacing, the original subtitles are added to the output file, bypassing HandBrake subtle logic.
    • Subtitle track formats and attributes are preserved, and closed captions embedded are not converted to subtitle tracks.
    • The HandBrake issue tracked as #95.
  • Added the removal of EIA-608 Closed Captions from video streams.
    • Closed Caption subtitles in video streams are undesired as they cannot be managed, all subtitles should be in discrete tracks.
    • FFprobe fails to set the closed_captions JSON attribute in JSON output mode, but does detect and print Closed Captions in normal output mode.
    • FFprobe issue tracked as #94.
  • Added the ability to bootstrap 7-Zip downloads on Windows, manually downloading 7za.exe is no longer required.
    • Getting started is now easier, just run:
      • PlexCleaner.exe --settingsfile PlexCleaner.json defaultsettings
      • PlexCleaner.exe --settingsfile PlexCleaner.json checkfornewtools
  • The --mediafiles option no longer supports multiple entries per option, use multiple --mediafiles options instead.
    • Deprecation warning initially issued with v2.3.5.
    • Old style: --mediafiles path1 path2
    • New style: --mediafiles path1 --mediafiles path2
  • Improved the metadata, tag, and attachment detection and cleanup logic.
    • FFprobe container and track tags are now evaluated for unwanted metadata.
    • Attachments are now deleted before processing, eliminating problems with cover art being detected as video tracks, or FFMpeg converting covert art into video tracks.
    • Run with process --reprocess 1 at least once to re-evaluate conditions.
  • Removed the upgradesidecar command.
    • Sidecar schemas are automatically upgraded since v2.5.
  • Removed the verify command.
    • Use process --reprocess 2 instead.
  • Removed the getbitrateinfo command.
    • Use process --reprocess 2 instead.
  • Minor code cleanup and improvements.