Fix: getSensitiveFileCountのクエリ修正

[penginn-net]

What

Why

一回で済ませるべき

Additional info (optional)

Checklist

• コントリビューションガイドを読みました( Read the contribution guide)
• ローカル環境で動作しました(Test working in a local environment)
• (必要なら)CHANGELOG_YOJO.mdの更新((If needed) Update CHANGELOG_YOJO.md)
• (必要なら)テストの追加((If possible) Add tests)

[github-actions]

이 PR에 의한 api.json 차이
차이점이 없습니다.
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[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 38.48%. Comparing base (f918b11) to head (f1ee0d9).
Report is 4 commits behind head on develop.

Files with missing lines	Patch %	Lines
packages/backend/src/core/DriveService.ts	25.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #541      +/-   ##
===========================================
- Coverage    40.06%   38.48%   -1.59%     
===========================================
  Files         1695     1691       -4     
  Lines       235598   229412    -6186     
  Branches      3943     3860      -83     
===========================================
- Hits         94393    88279    -6114     
+ Misses      140579   140508      -71     
+ Partials       626      625       -1     

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