refactor: move data-table, apps, organizations, and workflows hooks from packages/features to apps/web/modules

[hbjORbj]

What does this PR do?

This PR is part of a larger effort to break down PR #26571 into smaller, reviewable chunks. It moves several hooks and stores from packages/features to apps/web/modules to support the vertical slice architecture.

Files moved:

• useSegments → apps/web/modules/data-table/hooks/
• useAppsData → apps/web/modules/apps/hooks/
• useAgentsData → apps/web/modules/ee/workflows/hooks/
• onboardingStore (+ test) → apps/web/modules/ee/organizations/lib/
• useWelcomeModal → apps/web/modules/ee/organizations/hooks/

All import paths across 22 consuming files have been updated accordingly.

• Related to refactor: No more trpc stuff in @calcom/features [3] #26571

Updates since last revision

• Fixed useSegments.ts imports to use absolute paths (@calcom/features/data-table/lib/...) instead of relative paths, since the relative paths no longer resolve after moving the file to its new location.

Mandatory Tasks (DO NOT REMOVE)

• I have self-reviewed the code (A decent size PR without self-review might be rejected).
• I have updated the developer docs in /docs if this PR makes changes that would require a documentation change. N/A - no documentation changes needed.
• I confirm automated tests are in place that prove my fix is effective or that my feature works. Existing tests cover these hooks.

How should this be tested?

This is a pure refactoring PR with no functional changes. Testing should verify:

1. Run type checking: yarn type-check:ci --force
2. Run lint: yarn lint
3. Verify the app builds successfully

Items for reviewer attention

1. Platform atoms dependency: packages/platform/atoms/event-types/wrappers/EventPaymentsTabPlatformWrapper.tsx now imports from @calcom/web/modules. Please verify this doesn't create issues if platform atoms is used independently.
2. useSegments still depends on features package: The moved useSegments.ts hook still imports utilities from @calcom/features/data-table/lib/ since only the hook was moved, not the underlying lib files.

Checklist

• My code follows the style guidelines of this project
• I have checked if my changes generate no new warnings
• My PR is appropriately sized (29 files, mostly import path updates)

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Requested by: @hbjORbj

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