refactor: settings account metro boundary [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 settings/account ViewModels from Hilt call-site creation to Metro-backed factories.
• Reuses the existing Metro ViewModel bridge introduced in the settings/debug PR.
• Adds the Compose test fake wiring needed by the migrated account/debug ViewModel graph.

[pull-request-size]

Ups 🫰🟨

This PR is too big. Please try to break it up into smaller PRs.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 129 lines in your changes missing coverage. Please review.
✅ Project coverage is 51.21%. Comparing base (c0a5126) to head (490b249).

Files with missing lines	Patch %	Lines
...droid/ui/home/settings/SettingsViewModelFactory.kt	0.00%	129 Missing ⚠️

❌ Your patch check has failed because the patch coverage (0.00%) 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    #4889      +/-   ##
===========================================
- Coverage    51.51%   51.21%   -0.31%     
===========================================
  Files          617      618       +1     
  Lines        21534    21663     +129     
  Branches      3422     3422              
===========================================
  Hits         11094    11094              
- Misses        9414     9543     +129     
  Partials      1026     1026              

Files with missing lines	Coverage Δ
...i/home/appLock/forgot/ForgotLockScreenViewModel.kt	95.00% <ø> (ø)
...roid/ui/home/appLock/set/SetLockScreenViewModel.kt	58.33% <ø> (ø)
...appLock/unlock/AppUnlockWithBiometricsViewModel.kt	0.00% <ø> (ø)
...ui/home/appLock/unlock/EnterLockScreenViewModel.kt	0.00% <ø> (ø)
...wire/android/ui/home/settings/SettingsViewModel.kt	0.00% <ø> (ø)
...oid/ui/home/settings/account/MyAccountViewModel.kt	90.00% <ø> (ø)
...settings/account/color/ChangeUserColorViewModel.kt	91.66% <ø> (ø)
...gs/account/deleteAccount/DeleteAccountViewModel.kt	87.50% <ø> (ø)
.../account/displayname/ChangeDisplayNameViewModel.kt	96.00% <ø> (ø)
.../account/email/updateEmail/ChangeEmailViewModel.kt	89.74% <ø> (ø)
... and 16 more

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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