regression: Split enhanced navigation and second sidebar

[dougfabris]

Proposed changes (including videos or screenshots)

Important

This change is under feature preview

Introduced here: #36049

Issue(s)

Steps to test or reproduce

Further comments

[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is missing the 'stat: QA assured' label

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 68498d2

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[codecov]

Codecov Report

❌ Patch coverage is 67.39130% with 135 lines in your changes missing coverage. Please review.
✅ Project coverage is 65.95%. Comparing base (fc245e6) to head (68498d2).
⚠️ Report is 5 commits behind head on release-7.10.0.

Additional details and impacted files

@@                Coverage Diff                 @@
##           release-7.10.0   #36763      +/-   ##
==================================================
- Coverage           65.98%   65.95%   -0.03%     
==================================================
  Files                3263     3285      +22     
  Lines              109691   110051     +360     
  Branches            20752    20839      +87     
==================================================
+ Hits                72382    72589     +207     
- Misses              34652    34781     +129     
- Partials             2657     2681      +24     

Flag	Coverage Δ
e2e	57.15% <60.57%> (-0.02%)	⬇️
unit	71.37% <100.00%> (+0.01%)	⬆️

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[Copilot]

Pull Request Overview

This PR implements the regression of splitting enhanced navigation and secondary sidebar by introducing a new feature preview called 'secondarySidebar' that separates concerns from the existing 'newNavigation' feature. The change restructures the navigation system to provide distinct features for enhanced navigation experience and secondary sidebar functionality.

Key changes:

• Adds a new 'secondarySidebar' feature preview that depends on 'newNavigation'
• Reorganizes navigation components to support conditional rendering based on feature flags
• Restructures sidebar components and hooks for better separation of concerns

Reviewed Changes

Copilot reviewed 61 out of 66 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
packages/ui-client/src/hooks/useFeaturePreviewList.ts	Adds 'secondarySidebar' feature with dependency on 'newNavigation'
packages/i18n/src/locales/*.i18n.json	Updates translation keys for navigation features
apps/meteor/client/views/root/MainLayout/LayoutWithSidebarV2.tsx	Implements conditional rendering based on 'secondarySidebar' feature flag
apps/meteor/client/views/navigation/sidebar/*	Creates new sidebar components for the navigation system
apps/meteor/client/sidebarv2/*	Updates existing sidebar components and adds new templates
apps/meteor/tests/e2e/feature-preview.spec.ts	Adds test coverage for the new feature flag

Comments suppressed due to low confidence (1)

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