fix(backend): FTT無効時にユーザーリストタイムラインが使用できない問題を修正

[kakkokari-gtyih]

What

Why

Fix #14136

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]

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 39.37%. Comparing base (6718a54) to head (4ed0506).
Report is 2 commits behind head on develop.

Files with missing lines	Patch %	Lines
...c/server/api/endpoints/notes/user-list-timeline.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #14878      +/-   ##
===========================================
- Coverage    39.47%   39.37%   -0.11%     
===========================================
  Files         1559     1559              
  Lines       196948   196948              
  Branches      3563     3558       -5     
===========================================
- Hits         77750    77551     -199     
- Misses      118592   118789     +197     
- Partials       606      608       +2     

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[syuilo]

🙏