Enable telemetry reviews for snowplow events

This is yet another improvement to the telemetry review, to be able to also review snowplow events.

Those events are in both Ruby and Javascript.

See tracking.rb and tracking.js libraries, and whoever calls them.

Snowplow telemetry improvements

• HAML or Vue Templates (Frontend)
• Vue Components (Frontend)
• Raw JavaScript (Frontend)
• Ruby (Backend)

We should also discuss whether we want to only be looped into:

1. Changes to tracking.rb and tracking.js

or

1. Anywhere a tracking method is called