fix: Prevent top navigation identity title from truncating too early

[avinashbot]

Description

It looks like the .inputs div occupies space even if there's no content to show because of uncollapsable paddings. So the solution is to remove it from the DOM completely so that the expectations match up with reality.

Alternatively, I could have updated the calculations in use-top-navigation, but it's better to have less wasted space :)

Related links, issue #, if available: n/a

How has this been tested?

Local screenshot checks. Compare the "top-navigation/screenshot" page and you'll find that only the final text-only identity should truncate.

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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[codecov]

Codecov Report

Base: 92.98% // Head: 92.98% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (6abc50d) compared to base (4808e7d).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #676   +/-   ##
=======================================
  Coverage   92.98%   92.98%           
=======================================
  Files         574      574           
  Lines       16797    16798    +1     
  Branches     4634     4635    +1     
=======================================
+ Hits        15619    15620    +1     
  Misses       1101     1101           
  Partials       77       77           

Impacted Files	Coverage Δ
src/top-navigation/internal.tsx	88.75% <100.00%> (+0.14%)	⬆️

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[avinashbot]

Had to recommit the same change because Codecov was refusing to run last time