fix(backend): ローカル判定でisUriLocalを使用していない箇所を修正

[sakuhanight]

What

ローカルかどうかの判定でutilityService.isUriLocalを使用していない箇所があったため修正しました。

Why

Fix #13540
自ホスト：example.com
リモート：example.community.net

のような時に、リモートからの受信時に同一ホストからの要求として判定され、エラーを返してしまうようです。
参考：
MisskeyIO#508

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[github-actions]

このPRによるapi.jsonの差分
差分はありません。
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[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 39.96%. Comparing base (a3d236c) to head (2958ccc).
Report is 652 commits behind head on develop.

Files with missing lines	Patch %	Lines
...kages/backend/src/core/RemoteUserResolveService.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #15069      +/-   ##
===========================================
- Coverage    41.74%   39.96%   -1.78%     
===========================================
  Files         1549     1563      +14     
  Lines       196555   197746    +1191     
  Branches      2767     3634     +867     
===========================================
- Hits         82055    79033    -3022     
- Misses      113939   118108    +4169     
- Partials       561      605      +44     

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[mi-gh-maintainer]

Thank you 🙏