[1.4.x] [bug] Handle deleted Part (#12578)

[github-actions]

Backport

This will backport the following commits from master to 1.4.x:

• [bug] Handle deleted Part (#12578)

Questions ?

Please refer to the Backport tool documentation

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 85.21%. Comparing base (522ed66) to head (77bfa08).
⚠️ Report is 3 commits behind head on 1.4.x.

Additional details and impacted files

@@            Coverage Diff             @@
##            1.4.x   #12586      +/-   ##
==========================================
+ Coverage   85.20%   85.21%   +0.01%     
==========================================
  Files        1389     1389              
  Lines       92768    92825      +57     
  Branches    10222    10222              
==========================================
+ Hits        79040    79101      +61     
+ Misses      13667    13663       -4     
  Partials       61       61              

Flag	Coverage Δ
backend	90.75% <0.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
Backend Apps	89.62% <97.82%> (+<0.01%)	⬆️
Backend General	93.36% <ø> (ø)
Frontend	79.53% <ø> (ø)

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