fix: app icon picker and banner hide on reload

[deadlyjack]

No description provided.

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge, with no outstanding correctness or repository-rule violations.

Summary

• Routes launcher aliases through a stable native launcher activity.
• Synchronizes generated Android manifest launcher entries during preparation.
• Improves loader replacement and dialog layering behavior.
• Adds complete Android and picker assets for eight new app icons.
• Expands tests covering native mappings, manifest preparation, selection, and dialog behavior.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  Picker[App icon picker] --> Selection[Selection logic]
  Selection --> Plugin[System Cordova plugin]
  Plugin --> Alias[Enable selected activity alias]
  Alias --> Launcher[LauncherActivity]
  Launcher --> Main[MainActivity]

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[deadlyjack]

@greptile review