I’m trying to connect Zapier with Salesforce but I would like to connect to sandbox first. The redirect URL is set to production by default and I don't have the option to change the environment. This article says its possible https://help.zapier.com/hc/en-us/articles/8496020790925-How-to-Get-Started-with-Salesforce-on-Zapier but am not getting the option to do that.