FIX: fix extension manager + add missing icon fields distribution

[gmalinve]

Description

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Issue linked

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Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate tests (unit, integration, system).
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved by the PR if any.
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.13%. Comparing base (07827c1) to head (b1af884).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6066      +/-   ##
==========================================
- Coverage   85.14%   85.13%   -0.01%     
==========================================
  Files         167      167              
  Lines       63056    63052       -4     
==========================================
- Hits        53686    53682       -4     
  Misses       9370     9370              

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