refactor: port fixEventsPlugin to TypeScript

[adamalston]

No issue.

Ported fixEventsPlugin to TypeScript.

Changelog

Changed

• Ported fixEventsPlugin to TypeScript.

Testing / Reviewing

Existing tests should cover these changes.

PR Checklist

As the author of this PR, before marking ready for review, confirm you:

• Reviewed every line of the diff
• Updated documentation and storybook examples
• Wrote passing tests that cover this change
• Addressed any impact on accessibility (a11y)
• Tested for cross-browser consistency
• Validated that this code is ready for review and status checks should pass

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.82%. Comparing base (69d989e) to head (ced1fde).
⚠️ Report is 27 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #21836      +/-   ##
==========================================
+ Coverage   87.75%   94.82%   +7.06%     
==========================================
  Files         536      536              
  Lines       43637    45021    +1384     
  Branches     6696     7889    +1193     
==========================================
+ Hits        38293    42689    +4396     
+ Misses       5193     2191    -3002     
+ Partials      151      141      -10     

Flag	Coverage Δ
main-packages	87.81% <ø> (-0.13%)	⬇️
web-components	98.28% <ø> (+10.68%)	⬆️

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[adamalston]

I don't plan to mark this pull request as ready for review until some of my earlier pull requests have been reviewed. I want to avoid diverting attention from them. Otherwise, these changes are ready to go.