Fixed logout issue

src/app/core/auth/auth.interceptor.ts

@@ -35,7 +35,7 @@ export class AuthInterceptor implements HttpInterceptor {
   }
 
   private isSuccess(response: HttpResponseBase): boolean {
-    return response.status === 200;
+    return (response.status === 200 || response.status === 204);
   }
 
   private isAuthRequest(http: HttpRequest<any> | HttpResponseBase): boolean {

src/app/core/auth/auth.service.ts

@@ -140,7 +140,7 @@ export class AuthService {
           const person$ = this.rdbService.buildSingle<NormalizedEPerson, EPerson>(status.eperson.toString());
           return person$.pipe(map((eperson) => eperson.payload));
         } else {
-          throw(new Error('Not authenticated'));
+          Observable.throw(new Error('Not authenticated'));
         }
       }))
   }