feat: add code tab to run page [ET-657]

[EmilyBonar]

Ticket

ET-657

Description

Test Plan

On a single run search the Code tab should be visible.

Checklist

• Changes have been manually QA'd
• New features have been approved by the corresponding PM
• User-facing API changes have the "User-facing API Change" label
• Release notes have been added as a separate file under docs/release-notes/
  See Release Note for details.
• Licenses have been 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 95.83333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 49.87%. Comparing base (935799d) to head (a6879e4).

Files	Patch %	Lines
webui/react/src/pages/TrialDetails.tsx	95.83%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9771      +/-   ##
==========================================
- Coverage   54.16%   49.87%   -4.30%     
==========================================
  Files        1258      935     -323     
  Lines      154943   125657   -29286     
  Branches     3495     3500       +5     
==========================================
- Hits        83925    62668   -21257     
+ Misses      70872    62843    -8029     
  Partials      146      146              

Flag	Coverage Δ
harness	?
web	53.46% <95.83%> (+0.02%)	⬆️

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

Files	Coverage Δ
webui/react/src/pages/TrialDetails.tsx	90.80% <95.83%> (+0.74%)	⬆️

... and 323 files with indirect coverage changes