Draft jobs table: Use earliest Retrieve status event for finish event

[marksvc]

It already would have been because of sorting, but add a test about it
and sort right there when deciding between Retrieve events, to ensure
using earliest.

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This change is 

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.83%. Comparing base (b743bd3) to head (2bb928a).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3698   +/-   ##
=======================================
  Coverage   81.83%   81.83%           
=======================================
  Files         619      619           
  Lines       38620    38621    +1     
  Branches     6317     6317           
=======================================
+ Hits        31603    31604    +1     
  Misses       6056     6056           
  Partials      961      961           

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