Hide 'Not authenticated' message'

src/app/user.service.ts

@@ -14,6 +14,7 @@ import {
   VO, User, Update, State, Deployment, DeploymentState, SSHKey, NewSSHKey, IdP, Service, Site, JSONObject, IdPInfo
 } from './types/types.module';
 
+// TODO terrible name
 export interface Combination {
   user: User;
   prefs: Prefs;
@@ -206,7 +207,7 @@ export class UserService {
         if (update.session.deactivated) {
           this.autoReLogin = false;
         }
-        if (update.session.auth_error) {
+        if (update.session.auth_error && update.session.auth_error !== 'Not authenticated') {
           this.snackBar.open(update.session.auth_error);
         }
       }