[backend] 'and' local mode for source/target entity filters (#12218)

[Archidoit]

Proposed changes

• Fix the behavior of 'target entity' and 'source entity' filters with the 'and' local mode
• Add associated backend tests

Related issues

#12218

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.39%. Comparing base (e83f437) to head (8222b81).
⚠️ Report is 27 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #12593      +/-   ##
==========================================
- Coverage   66.40%   66.39%   -0.01%     
==========================================
  Files         752      752              
  Lines       79562    79553       -9     
  Branches     8543     8541       -2     
==========================================
- Hits        52831    52822       -9     
  Misses      26731    26731              

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