Added tracking counter to mr_license_compliance_widget

What does this MR do and why?

This MR solves: #349527 (closed)

It adds a tracking counter event to the MR License Compliance Widget.

Which was noted to be missing here: #343123 (comment 753624456)

Screenshots or screen recordings

No visual changes.

overview of events

How to set up and validate locally

1. Open a MR on your GDK which has the License Compliance turned on and a new License in the MR
2. Click the buttons to see if everything still works, there are no visual changes

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.