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 18.77%. Comparing base (a3d236c) to head (b8d4b46).
Report is 560 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    41.74%   18.77%   -22.98%     
============================================
  Files         1549      764      -785     
  Lines       196555   111037    -85518     
  Branches      2767     1234     -1533     
============================================
- Hits         82055    20843    -61212     
+ Misses      113939    89606    -24333     
- Partials       561      588       +27     

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