[backend/frontend] modify EntityStixCoreRelationshipsEntitiesComponent to list entities through relations

[JeremyCloarec]

Proposed changes

• add new stixCoreObjectsRegardingOf query
• stixCoreObjectsRegardingOf uses listEntitiesThroughRelationsPaginated to return the list of asked entities checking relationships markings
• modified listEntitiesThroughRelationsPaginated to handle queries asking for relations on both directions

Related issues

• Malware knowledge panel markings issue #6867

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

Attention: Patch coverage is 48.27586% with 75 lines in your changes missing coverage. Please review.

Project coverage is 67.73%. Comparing base (e364f82) to head (c5a4ed1).
Report is 1 commits behind head on master.

Files	Patch %	Lines
.../opencti-graphql/src/database/middleware-loader.ts	57.50%	34 Missing ⚠️
...tform/opencti-graphql/src/domain/stixCoreObject.js	14.28%	18 Missing ⚠️
...atform/opencti-graphql/src/domain/attackPattern.ts	25.00%	3 Missing ⚠️
...ncti-platform/opencti-graphql/src/domain/region.js	50.00%	2 Missing ⚠️
...platform/opencti-graphql/src/domain/threatActor.js	0.00%	2 Missing ⚠️
.../modules/malwareAnalysis/malwareAnalysis-domain.ts	0.00%	2 Missing ⚠️
...-graphql/src/modules/narrative/narrative-domain.ts	0.00%	2 Missing ⚠️
...ql/src/modules/organization/organization-domain.ts	50.00%	2 Missing ⚠️
...rm/opencti-graphql/src/modules/task/task-domain.ts	0.00%	2 Missing ⚠️
...encti-platform/opencti-graphql/src/domain/group.js	50.00%	1 Missing ⚠️
... and 7 more

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7249   +/-   ##
=======================================
  Coverage   67.72%   67.73%           
=======================================
  Files         561      561           
  Lines       68980    69059   +79     
  Branches     5874     5911   +37     
=======================================
+ Hits        46718    46776   +58     
- Misses      22262    22283   +21     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[SarahBocognano]

Tested ✅
Code review with Jeremy ✅