[admin] Reduce the size of the panels title

[elia]

Summary

Before

After

Checklist

Check out our PR guidelines for more details.

The following are mandatory for all PRs:

• I have written a thorough PR description.
• I have kept my commits small and atomic.
• I have used clear, explanatory commit messages.

The following are not always needed:

• 📖 I have updated the README to account for my changes.
• 📑 I have documented new code with YARD.
• 🛣️ I have opened a PR to update the guides.
• ✅ I have added automated tests to cover my changes.
• 📸 I have attached screenshots to demo visual changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (12d7504) 88.58% compared to head (fceab4e) 91.33%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5594      +/-   ##
==========================================
+ Coverage   88.58%   91.33%   +2.75%     
==========================================
  Files         685      243     -442     
  Lines       16402     5690   -10712     
==========================================
- Hits        14529     5197    -9332     
+ Misses       1873      493    -1380     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.