refactor: migrate home list view models to metro [WPB-25946]

[Garzas]

https://wearezeta.atlassian.net/browse/WPB-25946

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PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

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What's new in this PR?

• Migrates home shell and conversation list ViewModels from Hilt call-site creation to Metro-backed factories.
• Adds the required Metro graph wiring for home/list screen entry points.
• Keeps existing UI-facing ViewModel APIs unchanged.

[codecov]

Codecov Report

❌ Patch coverage is 5.88235% with 64 lines in your changes missing coverage. Please review.
✅ Project coverage is 50.40%. Comparing base (b654cf1) to head (3b842c5).

Files with missing lines	Patch %	Lines
...n/com/wire/android/ui/home/HomeViewModelFactory.kt	0.00%	64 Missing ⚠️

❌ Your patch check has failed because the patch coverage (5.88%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #4892      +/-   ##
===========================================
- Coverage    50.54%   50.40%   -0.15%     
===========================================
  Files          625      626       +1     
  Lines        22129    22192      +63     
  Branches      3427     3427              
===========================================
  Hits         11186    11186              
- Misses        9906     9969      +63     
  Partials      1037     1037              

Files with missing lines	Coverage Δ
...rc/main/kotlin/com/wire/android/ui/WireActivity.kt	0.00% <ø> (ø)
...otlin/com/wire/android/ui/home/AppSyncViewModel.kt	76.00% <100.00%> (ø)
...n/kotlin/com/wire/android/ui/home/HomeViewModel.kt	82.97% <ø> (ø)
...ome/conversationslist/ConversationListViewModel.kt	35.26% <100.00%> (+0.18%)	⬆️
...wire/android/ui/home/drawer/HomeDrawerViewModel.kt	93.02% <ø> (ø)
...d/ui/home/sync/FeatureFlagNotificationViewModel.kt	59.44% <100.00%> (ø)
...n/com/wire/android/ui/home/HomeViewModelFactory.kt	0.00% <0.00%> (ø)

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud