SF-3668 Show the user requesting the draft on cancelled builds

[RaymondLuong3]

On cancelled builds there was no way to view the information about who requested the draft because the option to expand the panel was not available. This PR updates the UI to show the expanding panel if a cancelled draft has information about who requested the draft.

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This change is 

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.52%. Comparing base (85a7273) to head (60d5b09).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3643      +/-   ##
==========================================
- Coverage   83.53%   83.52%   -0.01%     
==========================================
  Files         610      610              
  Lines       37503    37504       +1     
  Branches     6170     6170              
==========================================
  Hits        31327    31327              
- Misses       5223     5237      +14     
+ Partials      953      940      -13     

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[pmachapman]

@pmachapman reviewed 2 files and all commit messages, and made 1 comment.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @RaymondLuong3).