Better job creation

If I drag&drop the files:

  • Episode01.mkv
  • Episode02.mkv
  • Episode03.mkv
  • Episode01.de.srt
  • Episode01.en.srt
  • Episode02.de.srt
  • Episode02.en.srt
  • Episode03.de.srt
  • Episode03.en.srt

currently the best I can get is 3 jobs, one for each video file and all subtitles added to the 1st job.
It would be nice to get one job for each video, with matching subtitle files:

  • Episode01.mkv + Episode01.de.srt + Episode01.en.srt
  • Episode02.mkv + Episode02.de.srt + Episode02.en.srt
  • Episode03.mkv + Episode03.de.srt + Episode03.en.srt