[api/frontend] Re-organize sightings menu, add attack patterns export button (#1182, #1991)

[SamuelHassine]

Proposed changes

• [frontend] Re-organize sightings / infrastructure menus (Infrastructure, Systems and Vulnerabilities #1182)
• Infrastructure, Systems and Vulnerabilities (Exporting Report details, Malware or Intrusion Sets is hard to do #1991)

Related issues

• Infrastructure, Systems and Vulnerabilities #1182
• Exporting Report details, Malware or Intrusion Sets is hard to do #1991

[codecov]

Codecov Report

Base: 72.21% // Head: 72.19% // Decreases project coverage by -0.02% ⚠️

Coverage data is based on head (a24e225) compared to base (d25be2a).
Patch coverage: 25.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2538      +/-   ##
==========================================
- Coverage   72.21%   72.19%   -0.03%     
==========================================
  Files         250      250              
  Lines       16002    16010       +8     
  Branches     2574     2576       +2     
==========================================
+ Hits        11556    11558       +2     
- Misses       3862     3866       +4     
- Partials      584      586       +2     

Impacted Files	Coverage Δ
...opencti-graphql/src/domain/stixCoreRelationship.js	58.57% <0.00%> (-2.63%)	⬇️
...-platform/opencti-graphql/src/generated/graphql.ts	100.00% <100.00%> (ø)

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