Extensions: fix install button type and place of alert in menu

[poulch]

Scope of the change

[changeset-bot]

⚠️ No Changeset found

Latest commit: ae9a9df

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 63.14%. Comparing base (2797a6a) to head (ae9a9df).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/components/Sidebar/menu/ItemGroup.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #5508    +/-   ##
========================================
  Coverage   63.13%   63.14%            
========================================
  Files        1290     1290            
  Lines       22330    22329     -1     
  Branches     4595     4436   -159     
========================================
  Hits        14099    14099            
+ Misses       8195     8194     -1     
  Partials       36       36            

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[github-actions]

merge-reports: Run #5089

Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Pending ⏳	Other ❓	Flaky 🍂	Duration ⏱️
235	234	1	0	0	0	0	4m54s

❌ Some tests failed!

Name	Failure Message
❌ TC: SALEOR_211 Create a staff member #e2e #staff-members	No failure message

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