templates with parameter cannot be updated

1. Create a template with a [parameter](https://gist.github.com/ammario/78c9b17ba322a70ffdc70b47a49558f0)
2. Try to update it
3. See following error
 
<img width="1140" alt="Screen Shot 2022-06-21 at 11 42 52 PM" src="https://user-images.githubusercontent.com/7416144/174945189-7ca5d755-c376-42de-be8d-afb2d2828104.png">