[stable8] fix(build): prevent styles leak to v9

[ShGKme]

• Manual backport of fix(build): prevent styles leak to v8 #8091

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 45.54%. Comparing base (3ece2aa) to head (8a83c65).
⚠️ Report is 6 commits behind head on stable8.

Additional details and impacted files

@@           Coverage Diff            @@
##           stable8    #8092   +/-   ##
========================================
  Coverage    45.54%   45.54%           
========================================
  Files          193      193           
  Lines         4797     4797           
  Branches      1237     1237           
========================================
  Hits          2185     2185           
  Misses        2517     2517           
  Partials        95       95           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.