From a quick chat with @Kira-Pilot, the goal is basically that we want to add some sort of disclaimer/warning/wall at the first spot where customers are the most likely to hit issues from not having a provisioner available. You can't really do anything else that requires a provisioner until after you've created at least one template, so it seems like a good candidate would be in the CreateTemplateForm component.

Once #13879 is merged, we can add a warning if you select an organization with no active provisioners (or maybe even just block you from proceeding entirely)