Add UTM params support for create trial
What does this MR do and why?
Relates to: Free trial form plus UTM sync to market
Add UTM params support for the following requests to facilitate market statistics.
upstream MR: upstream!111296
How to set up and validate locally
- Support UTM params when requesting
/-/trials/create_lead
- When the user can trial more than one group, redirect to
/-/trials/select
supports UTM params - Support UTM params when requesting
/-/trials/apply