[backend] ignore objectOrganization in reindexing (#8495)

[JeremyCloarec]

Proposed changes

• remove objectOrganization when reindexing to prevent issue when deleting

Related issues

• In some old instances, we have objectOrganization indexed, which causes an issue when deleting entity #8495

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.21%. Comparing base (d507f71) to head (e681848).
Report is 81 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #8496   +/-   ##
=======================================
  Coverage   66.21%   66.21%           
=======================================
  Files         597      597           
  Lines       60422    60423    +1     
  Branches     6204     6207    +3     
=======================================
+ Hits        40008    40011    +3     
+ Misses      20414    20412    -2     

Flag	Coverage Δ
	66.21% <100.00%> (+<0.01%)	⬆️

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