Improve app details loading

Description

When loading app details, always post a value in live data even when app version is 0, so that the fragment always has some feedback.

Screenshots

Technical details

Tests

Issues

https://gitlab.e.foundation/e/os/backlog/-/issues/2837

10 commandments of code reviews

👪 ❤️ https://gitlab.e.foundation/internal/wiki/-/wikis/mobile-team/guidelines/Code-review

Summary by CodeRabbit

• Bug Fixes

  • Improved error handling for application details retrieval, ensuring clearer messaging for errors.
  • Adjusted handling of IllegalStateException to streamline control flow.

• New Features

  • Enhanced clarity in retrieving application details by separating results into distinct variables.