docs: fix typos in Admin.md and CHANGELOG.md

[drernie]

Fix typo found in documentation (by Walter)

• drodpwon → dropdown (Admin.md)

and one opportunistic:

• succesor → successor (CHANGELOG.md)

🤖 Generated with Claude Code

Important Files Changed

Filename	Overview
docs/CHANGELOG.md	Single-word typo fix: succesor → successor in a changelog entry for PR #3811. No functional impact.
docs/Catalog/Admin.md	Single-word typo fix: drodpwon → dropdown in a user-facing doc sentence about the navbar role-switcher. No functional impact.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 43.70%. Comparing base (dd654ce) to head (b215a38).
⚠️ Report is 14 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4749      +/-   ##
==========================================
- Coverage   44.32%   43.70%   -0.63%     
==========================================
  Files         813      812       -1     
  Lines       32734    32371     -363     
  Branches     5722     5722              
==========================================
- Hits        14509    14147     -362     
+ Misses      16221    16220       -1     
  Partials     2004     2004              

Flag	Coverage Δ
api-python	92.65% <ø> (ø)
catalog	19.52% <ø> (ø)
lambda	96.10% <ø> (-0.53%)	⬇️
py-shared	98.18% <ø> (ø)

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