chore: add telemetry events for tests

[saravmajestic]

Overview

Problem

Telemetry events are missing for new tests feature

Solution

Add telemetry events for following actions:

• [x] checking tests in header to see tests
• [x] adding dbt generic test
• [x] for accepted_values, getting values of columns
• [x] for relationships getting columns of models/sources
• [x] cancelling add test form
• [x] click on a test to see details in right panel
• [x] click edit
• [x] click delete
• [x] click update

Screenshot/Demo

NA

How to test

• Perform the above listed actions in vscode extension
• Telemetry events should be logged

Checklist

• [x] I have run this code and it appears to resolve the stated issue
• [ ] README.md updated and added information about my change