[frontend] fix download files + some css issues (#9099)

[lndrtrbn]

Proposed changes

• fix some css issues
• fix download pdf in content tab

Related issues

• Cannot download files in Content tab #9099

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.69%. Comparing base (a0a5121) to head (a9b3925).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #9100   +/-   ##
=======================================
  Coverage   64.69%   64.69%           
=======================================
  Files         620      620           
  Lines       59210    59210           
  Branches     6523     6520    -3     
=======================================
  Hits        38303    38303           
  Misses      20907    20907           

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

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests
• JS Bundle Analysis - Avoid shipping oversized bundles

[delemaf]

Looks good to me 🚀

[SouadHadjiat]

tested locally ✅