[backend/frontend] Remove FINTEL_FOR_ENTITY feature flag (#15210)

[delemaf]

Proposed changes

• Remove FINTEL_FOR_ENTITY feature flag

Related issues

• [frontend] fix draft creation forms (#15223) #15210

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 33.28%. Comparing base (bd4e032) to head (96bbc58).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #15368   +/-   ##
=======================================
  Coverage   33.28%   33.28%           
=======================================
  Files        3164     3164           
  Lines      214342   214332   -10     
  Branches    39211    39207    -4     
=======================================
+ Hits        71334    71335    +1     
+ Misses     143008   142997   -11     

Flag	Coverage Δ
opencti-client-python	45.60% <ø> (ø)
opencti-front	2.85% <ø> (-0.01%)	⬇️
opencti-graphql	69.42% <100.00%> (+<0.01%)	⬆️

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[Copilot]

Pull request overview

This PR removes the FINTEL_FOR_ENTITY feature flag, which previously allowed toggling between two modes: one where Fintel templates work with both containers and entities, and another where they work only with containers. The removal means the feature flag state "FINTEL_FOR_ENTITY enabled" becomes the permanent behavior.

Changes:

• Removed feature flag conditionals from backend fintelTemplate domain logic, now always treating templates as entity-capable
• Removed feature flag conditionals from frontend hooks and components, simplifying the type lists and tooltip messages to use the "entity" behavior
• Removed related imports (useHelper) and constants (typesWithFintelTemplatesContainer) that were only needed for the feature flag check
• Added unrelated analytics: false configuration to nx.json

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
opencti-platform/opencti-graphql/src/modules/fintelTemplate/fintelTemplate-domain.ts	Removes feature flag check, always uses isStixDomainObjectContainer() for widget selection
opencti-platform/opencti-front/src/utils/hooks/useAttributes.ts	Removes conditional logic, directly exports typesWithFintelTemplates without feature flag checking
opencti-platform/opencti-front/src/private/components/settings/sub_types/SubTypeOverview.tsx	Removes outdated comment about feature flag removal
opencti-platform/opencti-front/src/components/FilterValuesContent.tsx	Simplifies tooltip to always show entity context message
nx.json	Adds unrelated analytics configuration

[Copilot]

The addition of "analytics": false to nx.json appears to be unrelated to the feature flag removal purpose of this PR. This change should either be removed (if unintended) or moved to a separate PR for clarity. Feature flag removal PRs should focus on that specific change to maintain clear commit history and easier code review.