Move LoginViewModel to ui package

Description

Move LoginViewModel to ui package which is where it is supposed to be.

Screenshots

Technical details

Tests

Issues

10 commandments of code reviews

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Summary by CodeRabbit

• New Features

  • Enhanced login and navigation processes for improved user experience.
  • Added listener for user preferences in settings.

• Bug Fixes

  • Improved error handling for authentication issues.

• Refactor

  • Restructured LoginViewModel for better dependency management.
  • Updated import paths for LoginViewModel across various components.