Refactor packages and registries unit tests to use tracking_helper

What does this MR do and why?

Refactor packages and registries unit tests to use tracking helper

Makes tracking test code uniform

Relates to #462957 (closed)

MR acceptance checklist

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

Screenshots or screen recordings

No change in UI

How to set up and validate locally

Locally run

yarn jest spec/frontend/packages_and_registries/ ee/spec/frontend/packages_and_registries spec/frontend/vue_shared/components/registry 

to confirm tests are passing.