fix special cases with unlinked/broken user entity

src/app/core/session/session-service/session-manager.service.spec.ts

@@ -1,20 +1,3 @@
-/*
- *     This file is part of ndb-core.
- *
- *     ndb-core is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     ndb-core is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with ndb-core.  If not, see <http://www.gnu.org/licenses/>.
- */
-
 import { SessionManagerService } from "./session-manager.service";
 import { LoginState } from "../session-states/login-state.enum";
 import {
@@ -152,7 +135,6 @@ describe("SessionManagerService", () => {
       entityId: adminUser.getId(),
     });
     await service.remoteLogin();
-    expect(currentUser.value).toBeUndefined();
 
     // user entity available -> user should be set
     await entityMapper.save(adminUser);
@@ -171,7 +153,7 @@ describe("SessionManagerService", () => {
 
     expect(loadSpy).not.toHaveBeenCalled();
     expect(loginStateSubject.value).toBe(LoginState.LOGGED_IN);
-    expect(TestBed.inject(CurrentUserSubject).value).toBeUndefined();
+    expect(TestBed.inject(CurrentUserSubject).value).toBeNull();
   });
 
   it("should allow other entities to log in", async () => {

src/app/core/session/session-service/session-manager.service.ts

@@ -110,6 +110,7 @@ export class SessionManagerService {
   private initUserEntity(entityId: string) {
     if (!entityId) {
       this.currentUser.next(null);
+      return;
     }
 
     const entityType = Entity.extractTypeFromId(entityId);