Existing template versions do not have the metadata (modules + plan) in
the db. So revert to using static parameter information from the
original template import.
This data will still be served over the websocket.
The changes in `coder/preview` necessitated the changes in
`codersdk/richparameters.go` & `provisioner/terraform/resources.go`.
---------
Signed-off-by: Danny Kopping <dannykopping@gmail.com>
Co-authored-by: Steven Masley <stevenmasley@gmail.com>
