fix(frontend): MkDriveFileThumbnail / MkNoteMediaGridの修正

[kakkokari-gtyih]

What

• MkDriveFileThumbnailのpropsのタイポ修正
• MkNoteMediaGridをデータセーバーに対応させた

Why

ユーザー名の「ファイル」タブで、センシティブ画像が読み込まれてしまう・データセーバー有効時にも画像が読み込まれてしまう問題（ただしセンシティブの方に関しては別途オーバーレイでのぼかしも入っているため実際に見えるわけではない）を修正するため

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

[codecov]

Codecov Report

Attention: Patch coverage is 7.69231% with 12 lines in your changes missing coverage. Please review.

Project coverage is 18.82%. Comparing base (28490f3) to head (ba9e51a).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
...ckages/frontend/src/components/MkNoteMediaGrid.vue	0.00%	12 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #15365      +/-   ##
===========================================
- Coverage    18.82%   18.82%   -0.01%     
===========================================
  Files          764      764              
  Lines       111035   111045      +10     
  Branches      1233     1233              
===========================================
  Hits         20907    20907              
- Misses       89541    89551      +10     
  Partials       587      587              

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[mi-gh-maintainer]

Thank you 🙏