fix: louden server errors coming from deleteCheckpoints

[ashtonG]

Ticket

ET-169

Description

Server errors are silenced by default in production -- this pr undoes that for the server errors coming from deletecheckpoints.

Test Plan

same as #9178

Checklist

• Changes have been manually QA'd
• User-facing API changes need the "User-facing API Change" label.
• Release notes should be added as a separate file under docs/release-notes/.
  See Release Note for details.
• Licenses should be included for new code which was copied and/or modified from any external code.

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[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 38.69%. Comparing base (26f5e0b) to head (e44d12d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9184      +/-   ##
==========================================
- Coverage   45.45%   38.69%   -6.77%     
==========================================
  Files        1197      875     -322     
  Lines      147628   108230   -39398     
  Branches     2438     2438              
==========================================
- Hits        67109    41882   -25227     
+ Misses      80287    66116   -14171     
  Partials      232      232              

Flag	Coverage Δ
harness	?
web	35.41% <25.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
webui/react/src/components/CheckpointModal.tsx	19.60% <25.00%> (-0.30%)	⬇️
.../pages/ExperimentDetails/ExperimentCheckpoints.tsx	13.49% <25.00%> (-0.10%)	⬇️

... and 322 files with indirect coverage changes