SF-3419 Remove Lynx problems panel quotes and improve styling

[siltomato]

This PR removes the quotes from the sample text in the lynx problems panel. Also, the sample text is split into pre-insight/insight/post-insight parts so that they can be styled differently. Accordingly, the insight portion of the sample text is styled with background and text decoration like the editor insights.

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This change is 

[codecov]

Codecov Report

Attention: Patch coverage is 45.20548% with 40 lines in your changes missing coverage. Please review.

Project coverage is 82.60%. Comparing base (4514be8) to head (4126fa5).
Report is 1 commits behind head on master.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...nx-insights-panel/lynx-insights-panel.component.ts	41.17%	39 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3311      +/-   ##
==========================================
+ Coverage   82.55%   82.60%   +0.04%     
==========================================
  Files         605      605              
  Lines       35313    35316       +3     
  Branches     5745     5749       +4     
==========================================
+ Hits        29152    29172      +20     
+ Misses       5301     5285      -16     
+ Partials      860      859       -1     

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[pmachapman]

Reviewed 8 of 8 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @pmachapman)