propagate field order from ffprobe

[bisforbomanPlint]

I extracted the addition of FieldOrder from #613 as I would really like to have them available.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.75%. Comparing base (5356536) to head (165aa01).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #614      +/-   ##
==========================================
+ Coverage   71.72%   71.75%   +0.02%     
==========================================
  Files         123      123              
  Lines        3544     3547       +3     
  Branches      311      311              
==========================================
+ Hits         2542     2545       +3     
  Misses        888      888              
  Partials      114      114              

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