[frontend] add missing Task/Report/Grouping/Malware Analysis in knowledge > related entities (#9497)

[delemaf]

Proposed changes

• ⚠️ In relation table
• Use representative.main for missing entities Task/Report/Grouping/Malware Analysis in query
• Global refactor/clean of entities/observables repetition

Related issues

• Close Task/Report/Grouping/Malware Analysis name are Unknown in knowledge related entities #9497

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 65.19%. Comparing base (a5affd2) to head (cb02be5).
Report is 14 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #9498   +/-   ##
=======================================
  Coverage   65.19%   65.19%           
=======================================
  Files         628      628           
  Lines       59961    59961           
  Branches     6687     6687           
=======================================
  Hits        39091    39091           
  Misses      20870    20870           

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