SF-3681 Allow deletion of training data with long file names

[pmachapman]

This PR fixes a bug where the delete button was not visible for training data with very long file names.

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This change is 

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.82%. Comparing base (db24607) to head (3ea6aa3).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3627   +/-   ##
=======================================
  Coverage   82.82%   82.82%           
=======================================
  Files         610      610           
  Lines       37420    37420           
  Branches     6132     6156   +24     
=======================================
  Hits        30992    30992           
+ Misses       5494     5481   -13     
- Partials      934      947   +13     

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[Nateowami]

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