[backend] Fix missing entites in shared report (#8333)

[marieflorescontact]

Proposed changes

• check if granted ref relation is possible for Organization before relation creation (to avoid backend error)
• specified that Organization and Sector are not concerned by stix ref instead of considering all Identity
• add organization sharing test => 2 update organizations
• add a json report file => 8create / 8delete / )
• counters:
• 9 create ( 1 report + 8 entites )
• 6 update (orga sharing)
• 9 delete

Related issues

• Missing entites in shared report #8333

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 66.29%. Comparing base (dae148d) to head (4a0e139).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8587      +/-   ##
==========================================
+ Coverage   66.07%   66.29%   +0.22%     
==========================================
  Files         597      597              
  Lines       60913    60916       +3     
  Branches     6204     6251      +47     
==========================================
+ Hits        40246    40382     +136     
+ Misses      20667    20534     -133     

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