fix(frontend): lint fixes for tweak control panel

[kakkokari-gtyih]

What

Why

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 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 19.47%. Comparing base (0e92cbf) to head (fa67dd9).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
packages/frontend/src/pages/admin/performance.vue	0.00%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #14607       +/-   ##
============================================
- Coverage    39.63%   19.47%   -20.17%     
============================================
  Files         1540      713      -827     
  Lines       192251   100702    -91549     
  Branches      3532      985     -2547     
============================================
- Hits         76207    19612    -56595     
+ Misses      115449    80546    -34903     
+ Partials       595      544       -51     

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[syuilo]

🙏🏻