fix: session auth navigation after Metro migration [WPB-26324] [WPB-26330] [WPB-26328] [WPB-26333]

[Garzas]

https://wearezeta.atlassian.net/browse/WPB-26324

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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?

• Keep session graph handling stable when the current session disappears.
• Fix logout with clear data so the last account returns to login instead of home/splash.
• Fix Too Many Devices cancel behavior for second-account login.
• Preserve custom server config when returning from team creation to password login.
• Make the invalid-email UI test less flaky by selecting password fields dynamically.

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
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

[codecov]

Codecov Report

❌ Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.77%. Comparing base (1f84f90) to head (9a9068e).

Files with missing lines	Patch %	Lines
...rc/main/kotlin/com/wire/android/ui/WireActivity.kt	0.00%	2 Missing ⚠️
...lin/com/wire/android/ui/home/HomeViewModelGraph.kt	0.00%	1 Missing ⚠️

❌ Your patch check has failed because the patch coverage (40.00%) 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    #4973   +/-   ##
========================================
  Coverage    48.77%   48.77%           
========================================
  Files          644      645    +1     
  Lines        23151    23154    +3     
  Branches      3546     3544    -2     
========================================
+ Hits         11292    11294    +2     
- Misses       10811    10814    +3     
+ Partials      1048     1046    -2     

Files with missing lines	Coverage Δ
...id/ui/newauthentication/login/NewLoginViewModel.kt	79.31% <100.00%> (+0.86%)	⬆️
...lin/com/wire/android/ui/home/HomeViewModelGraph.kt	0.00% <0.00%> (ø)
...rc/main/kotlin/com/wire/android/ui/WireActivity.kt	0.00% <0.00%> (ø)

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