feat(chain-listener): initial refactoring + tests

[gurinderu]

Description

Added chain listener test for cc activation flow.

Additional Notes

• Added traits for the dependencies
• Added the ability to inject topology into the dummy core manager

Checklist

• [ ] The code follows the project's coding conventions and style guidelines.
• [ ] All tests related to the changes have passed successfully.
• [ ] Documentation has been updated to reflect the changes (if applicable).
• [ ] All new and existing unit tests have passed.
• [ ] I have self-reviewed my code and ensured its quality.
• [ ] I have added/updated necessary comments to aid understanding.

Reviewer Checklist

• [ ] Code has been reviewed for quality and adherence to guidelines.
• [ ] Tests have been reviewed and are sufficient to validate the changes.
• [ ] Documentation has been reviewed and is up to date.
• [ ] Any questions or concerns have been addressed.