docs: fix the overlapping LLMButtons dropdown

[birosrichard]

closes: https://github.com/apify/apify-web/issues/5575
Fix the overllaping Menu

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.49%. Comparing base (c634d4e) to head (743f776).
⚠️ Report is 8 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1618      +/-   ##
==========================================
- Coverage   92.50%   92.49%   -0.01%     
==========================================
  Files         157      157              
  Lines       10421    10421              
==========================================
- Hits         9640     9639       -1     
- Misses        781      782       +1     

Flag	Coverage Δ
unit	92.49% <ø> (-0.01%)	⬇️

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[barjin]

Lgtm, thank you!