[7047] FF Expert code blocks are not formatting correctly

[n-lark]

Description

See #7047 (comment)

Here is a gist you can use to test different formatting in product-expert-support-agent.js: https://gist.github.com/n-lark/bca0dd03e11ae3c386c76b044aed667b

Related Issue(s)

Resolves #7047

Checklist

• I have read the contribution guidelines
• Suitable unit/system level tests have been added and they pass
• Documentation has been updated
  • Upgrade instructions
  • Configuration details
  • Concepts
• Changes flowforge.yml?
  • Issue/PR raised on FlowFuse/helm to update ConfigMap Template
  • Issue/PR raised on FlowFuse/CloudProject to update values for Staging/Production
• Link to Changelog Entry PR, or note why one is not needed.

Labels

• Includes a DB migration? -> add the area:migration label

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.29%. Comparing base (937ded6) to head (535a167).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7049   +/-   ##
=======================================
  Coverage   76.29%   76.29%           
=======================================
  Files         405      405           
  Lines       20346    20346           
  Branches     4893     4893           
=======================================
  Hits        15523    15523           
  Misses       4823     4823           

Flag	Coverage Δ
backend	76.29% <ø> (ø)

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[cstns]

looking good!