chore: update slider private tokens

[amanabiy]

Description

This PR includes refactoring the slider private tokens to handle styling based on warning and error state.

Tested by running through the pipeline.

Related links, issue #, if available: mgFWAwYng61O

How has this been tested?

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 97.15%. Comparing base (3b03367) to head (bc7a367).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4191   +/-   ##
=======================================
  Coverage   97.15%   97.15%           
=======================================
  Files         878      878           
  Lines       25719    25719           
  Branches     9300     9300           
=======================================
  Hits        24988    24988           
  Misses        684      684           
  Partials       47       47           

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