A11y topbar 2

[mdwyer6]

Which problem is this PR solving?

Fixes two a11y issues. Logo/ home link in leftmost position in top bar does not show a focus ring. Additionally, the two menus have their own focus which is not actionable, this should be skipped since the menus' items are already focusable.

Description of the changes

• Revert the outline css applied globally by ant design that breaks proper focus ring support on the Logo/home link
• Manually set tabindex to -1 on both topbar menus so they are removed from taborder

How was this change tested?

• Tabbed through the page to verify correct order

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits
• I have added unit tests for the new functionality
• I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: npm run lint and npm run test

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.14%. Comparing base (83cdac4) to head (45eb1c6).
⚠️ Report is 69 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3073   +/-   ##
=======================================
  Coverage   98.14%   98.14%           
=======================================
  Files         257      257           
  Lines        8079     8079           
  Branches     2114     2114           
=======================================
  Hits         7929     7929           
  Misses        150      150           

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[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. You may re-open it if you need more time.

[github-actions]

This pull request has been automatically closed due to inactivity. You may re-open it if you need more time. We really appreciate your contribution and we are sorry that this has not been completed.