Fix tracking for free_trial_registration_redesign
What does this MR do and why?
Add structured events with experiment context to free_trial_registration_redesign experiment
How to set up and validate locally
Follow these steps and validate backend tracking.
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 #431939
Edited by Serhii Yarynovskyi