feat: synchronize oidc user roles (#8595)

* feat: oidc user role sync
User roles come from oidc claims. Prevent manual user role changes
if set.
* allow mapping 1:many

coderd/database/db2sdk/db2sdk.go

@@ -115,6 +115,7 @@ func User(user database.User, organizationIDs []uuid.UUID) codersdk.User {
 		OrganizationIDs: organizationIDs,
 		Roles:           make([]codersdk.Role, 0, len(user.RBACRoles)),
 		AvatarURL:       user.AvatarURL.String,
+		LoginType:       codersdk.LoginType(user.LoginType),
 	}
 
 	for _, roleName := range user.RBACRoles {