Add ability to filter agent session pipelines

What does this MR do and why?

Add ability to filter agent session pipelines

Adds the ability to filter pipelines by agent session source and adds badge visibility.

Changelog: changed

References

Screenshots or screen recordings

How to set up and validate locally

1. Have CI/CD pipelines setup
2. Open rails c
3. Find a pipeline by id `pipeline = ::Ci::Pipeline.find()
4. Update the source `pipeline.update(source: "duo_workflow")
5. CMD + SHIFT + R on Build > Pipelines (remove cache)
6. Verify source filtering works and pipeline is labeled correctly.

MR acceptance checklist

Evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Related to #548092