fix oauth issue

src/app/authentication/services/auth.service.ts

@@ -65,8 +65,7 @@ export class AuthService {
 
 
   login() {
-    
-   window.location.href  = this.baseUrl + this.authorizationEndpoint;
+   window.open(this.baseUrl + this.authorizationEndpoint, '_self') ;
   }
 
   updateToken(token) {