revert: "fix: wrap scrollToIndex in requestAnimationFrame (#4132)"

[mxschll]

This reverts commit 8b1948a.

Description

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

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 97.14%. Comparing base (8b1948a) to head (b32ed57).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4133   +/-   ##
=======================================
  Coverage   97.14%   97.14%           
=======================================
  Files         869      869           
  Lines       25473    25473           
  Branches     9209     9209           
=======================================
  Hits        24745    24745           
  Misses        681      681           
  Partials       47       47           

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