Fix line spacing on AI Assistant

[stuartc]

Description

Upgraded Tailwind to resolve CSSNano regression, we only saw this in production since we only minify in that environment.

See upstream issue issue here: tailwindlabs/tailwindcss#14092

Closes #2498

Pre-submission checklist

• I have performed a self-review of my code.
• I have implemented and tested all related authorization policies. (e.g., :owner, :admin, :editor, :viewer)
• I have updated the changelog.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.43%. Comparing base (efb6c98) to head (baf2713).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2538   +/-   ##
=======================================
  Coverage   90.43%   90.43%           
=======================================
  Files         316      316           
  Lines       10921    10921           
=======================================
  Hits         9876     9876           
  Misses       1045     1045           

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