feat: (Issue 8124) Integrate system update API to updater

Description

Integrate system update API to updater

Screenshots

Technical details

Integrate existing GitLab based API for system apps to existing updater codebase.

Tests

Issues

https://gitlab.e.foundation/e/backlog/-/issues/8124

10 commandments of code reviews

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

Summary by CodeRabbit

• New Features

  • Enhanced functionality to manage and update eligible system apps.

• Bug Fixes

  • Corrected handling of system app updates within the update logic.

• Refactor

  • Improved code structuring and organization for managing updates and installations, ensuring more efficient processing.

• Tests

  • Updated tests to include assertions and interactions for system app updates, ensuring comprehensive coverage and reliability.