feat: Add dialog component

[amanabiy]

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

❌ Patch coverage is 85.00000% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.63%. Comparing base (f2f90d4) to head (4fb0a5e).
⚠️ Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
src/test-utils/dom/dialog/index.ts	46.66%	8 Missing ⚠️
src/dialog/internal.tsx	97.29%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4904      +/-   ##
==========================================
- Coverage   97.64%   97.63%   -0.01%     
==========================================
  Files         958      961       +3     
  Lines       31240    31377     +137     
  Branches    11529    11582      +53     
==========================================
+ Hits        30503    30636     +133     
+ Misses        730      695      -35     
- Partials        7       46      +39     

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