Salesforce Authorization Config

/admin/config/salesforce/authorize/list

While troubleshooting user permissions for an app, I changed the user email on the config page for a Salesforce Auth Provider, and intentionally saved a user that was not privileged. Obviously, the app wouldn't authorize and I wanted to switch back to the correct user. When saving the form with the right user, it returns an error on submit/validation. Since it apparently is checking the value from the form as it was rendered, not the submitted field value upon save, it's always going to fail validation.