Change SuperAdminRoleName to SuperAdminStatus

SuperAdmin is not a role type, but it a status of a user that is
tangentially related to a users role in an organization. This renames
the variable to reflect that difference.

roles/roles.go

@@ -33,11 +33,11 @@ func validRole(ctx context.Context) error {
 
 // Chronograf User Roles
 const (
-	MemberRoleName     = "member"
-	ViewerRoleName     = "viewer"
-	EditorRoleName     = "editor"
-	AdminRoleName      = "admin"
-	SuperAdminRoleName = "superadmin"
+	MemberRoleName   = "member"
+	ViewerRoleName   = "viewer"
+	EditorRoleName   = "editor"
+	AdminRoleName    = "admin"
+	SuperAdminStatus = "superadmin"
 )
 
 var (

server/auth.go

@@ -197,7 +197,7 @@ func hasAuthorizedRole(u *chronograf.User, role string) bool {
 				return true
 			}
 		}
-	case roles.SuperAdminRoleName:
+	case roles.SuperAdminStatus:
 		// SuperAdmins should have been authorized before this.
 		// This is only meant to restrict access for non-superadmins.
 		return false

server/mux.go

@@ -99,7 +99,7 @@ func NewMux(opts MuxOpts, service Service) http.Handler {
 		return AuthorizedUser(
 			service.Store,
 			opts.UseAuth,
-			roles.SuperAdminRoleName,
+			roles.SuperAdminStatus,
 			opts.Logger,
 			next,
 		)