Added snowplow tracking for package assets

What does this MR do and why?

Adds snowplow click tracking for 3 actions on the package detail page:

We are trying to get full coverage for where the users are clicking in package so we can get a better sense with data how customers are using our product.

Screenshots or screen recordings

https://www.loom.com/share/59e31b9e66f24c5c8cf04db6e9af9815

How to set up and validate locally

Step	Image
1. Put a package in the package registry (instructions on how to create a dummy package)
2. Enable snowplow micro on GDK (instructions for the gdk, documentation on snowplow micro)
3. Install the snowplow inspector on google chrome as a chrome extension
4. Open gdk, navigate from side menu Packages & Registries > Package Registry
5. Click on a package in the registry and scroll to the bottom of the page where it says "Files"
6. Open developer tools (option, command, i on mac)
7. Press the arrow on the top of developer tools and select snowplow
8. Click on any of the areas that this MR has added tracking:
9. When clicking on those items, you'll see a new snowplow event, called a structured event appear. Click on the structured event to see what the event was recorded as

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.

Related to #348227