Don’t track when Snowplow is unavailable
When the necessary cookie consent isn't given in GDPR regions, Snowplow is not loaded. Attempts to call Snowplow raises an error.
This MR guards Snowplow calls to track custom events on the pricing page with a check if Snowplow is available on the Window object.
Related to: #6864 (closed)
And: !44494 (merged)
Edited by Alex Buijs