fix: Improve hidden breadcrumbs detection

[just-boris]

Description

:empty selector does not match when there is an empty DOM element: <AppLayout breadcrumbs={<div />}>. Fix this by replacing CSS selector with Javascript

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

How has this been tested?

Deployed to my dev pipeline to reproduce the original issue. Fixed now

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

All modified and coverable lines are covered by tests ✅

Project coverage is 96.25%. Comparing base (ba58915) to head (6d94548).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2968   +/-   ##
=======================================
  Coverage   96.25%   96.25%           
=======================================
  Files         768      769    +1     
  Lines       21750    21753    +3     
  Branches     7434     7444   +10     
=======================================
+ Hits        20935    20938    +3     
+ Misses        807      762   -45     
- Partials        8       53   +45     

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