Adds tracking to create file button in widget

What does this MR do and why?

Adds Redis HLL tracking to the merge request widget nothing to merge states Create file button.

Screenshots or screen recordings

How to set up and validate locally

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.

Closes #343126 (closed)