chore: switch to isolatedModules for all tests

[rix0rrr]

This should improve build times significantly.

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.21%. Comparing base (68b0725) to head (f9b3cf3).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #273      +/-   ##
==========================================
- Coverage   85.29%   85.21%   -0.08%     
==========================================
  Files         220      220              
  Lines       36619    36619              
  Branches     4458     4447      -11     
==========================================
- Hits        31234    31205      -29     
- Misses       5288     5316      +28     
- Partials       97       98       +1     

Flag	Coverage Δ
suite.unit	85.21% <ø> (-0.08%)	⬇️

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

☔ 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.