feat(addon-editor): support nested counters in ordered list

[splincode]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows Conventional Commits
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactoring
• Code style update
• Build or CI related changes
• Documentation content changes

What is the current behavior?

Closes #2989

UIKIT-5604

What is the new behavior?

Does this PR introduce a breaking change?

• Yes
• No

[lumberjack-bot]

Pull request was closed ✔️

All saved screenshots (for current PR) were deleted 🗑️

[bundlemon]

BundleMon

Unchanged files (5)

Status	Path	Size	Limits
✅	demo/browser/main.(hash).js	323.26KB	+10%
✅	demo/browser/vendor.(hash).js	205.38KB	+10%
✅	demo/browser/runtime.(hash).js	34.05KB	+10%
✅	demo/browser/polyfills.(hash).js	19.92KB	+10%
✅	demo/browser/scripts.(hash).js	14.92KB	+10%

No change in files bundle size

Unchanged groups (1)

Status	Path	Size	Limits
✅	demo/browser/*..js	2.17MB	-

Final result: ✅

View report in BundleMon website ➡️

---

Current branch size history | Target branch size history

[github-actions]

Visit the preview URL for this PR (updated for commit f15a364):

https://taiga-ui--pr3012-splincode-feat-issue-jls3qqyt.web.app

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_{Sign: 4b5ece1e114386f6a105425ef799091475b249eb}

[codecov]

Codecov Report

Base: 61.88% // Head: 61.88% // No change to project coverage 👍

Coverage data is based on head (f15a364) compared to base (63c92d9).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3012   +/-   ##
=======================================
  Coverage   61.88%   61.88%           
=======================================
  Files        1483     1483           
  Lines       17561    17561           
  Branches     2395     2395           
=======================================
  Hits        10868    10868           
  Misses       6253     6253           
  Partials      440      440           

Flag	Coverage Δ
addon-charts	72.48% <ø> (ø)
addon-doc	48.46% <ø> (ø)
addon-editor	51.59% <ø> (ø)
addon-mobile	62.31% <ø> (ø)
addon-table	64.06% <ø> (ø)
addon-tablebars	98.07% <ø> (ø)
cdk	40.26% <ø> (ø)
core	76.79% <ø> (ø)
kit	74.11% <ø> (ø)
summary	61.88% <ø> (ø)

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[well-done-bot]