[frontend] Reintroduce AI Insights button in Report (#14622)

[Archidoit]

Proposed changes

• Reintroduce AI Insights button in Report
• Add e2e

Related issues

#14622

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 32.36%. Comparing base (1fb52ee) to head (7735fcf).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
...nt/src/private/components/common/ai/AIInsights.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #14641      +/-   ##
==========================================
- Coverage   32.36%   32.36%   -0.01%     
==========================================
  Files        3096     3096              
  Lines      210896   210897       +1     
  Branches    38196    38197       +1     
==========================================
  Hits        68259    68259              
- Misses     142637   142638       +1     

Flag	Coverage Δ
opencti-client-python	45.50% <ø> (ø)
opencti-front	2.83% <0.00%> (-0.01%)	⬇️
opencti-graphql	67.73% <ø> (ø)

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