fix(eslint-plugin): [member-ordering] account for repeated names

[JoshuaKGoldberg]

PR Checklist

• Addresses an existing open issue: fixes Bug: [member-ordering] false-positive error when order is set to natural or natural-case-insensitive  #6812
• That issue was marked as accepting prs
• Steps in Contributing were taken

Overview

naturalOutOfOrder should always return false if the names being compared are the same.

[typescript-eslint]

Thanks for the PR, @JoshuaKGoldberg!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[codecov]

Codecov Report

Merging #6864 (b783b1e) into main (e5d668c) will decrease coverage by 0.11%.
The diff coverage is 100.00%.

❗ Current head b783b1e differs from pull request most recent head 83c62c2. Consider uploading reports for the commit 83c62c2 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6864      +/-   ##
==========================================
- Coverage   87.47%   87.37%   -0.11%     
==========================================
  Files         379      386       +7     
  Lines       13234    13192      -42     
  Branches     3907     3868      -39     
==========================================
- Hits        11577    11526      -51     
- Misses       1279     1300      +21     
+ Partials      378      366      -12     

Flag	Coverage Δ
unittest	87.37% <100.00%> (-0.11%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ackages/eslint-plugin/src/rules/member-ordering.ts	96.46% <100.00%> (+0.03%)	⬆️

... and 180 files with indirect coverage changes

[Josh-Cena]

Looks great :)