[menu] fix json.parse on missing auth in localstorage

frontend/src/app/components/master-page/master-page.component.ts

@@ -5,6 +5,7 @@ import { LanguageService } from '../../services/language.service';
 import { EnterpriseService } from '../../services/enterprise.service';
 import { NavigationService } from '../../services/navigation.service';
 import { MenuComponent } from '../menu/menu.component';
+import { StorageService } from '../../services/storage.service';
 
 @Component({
   selector: 'app-master-page',
@@ -37,6 +38,7 @@ export class MasterPageComponent implements OnInit {
     private languageService: LanguageService,
     private enterpriseService: EnterpriseService,
     private navigationService: NavigationService,
+    private storageService: StorageService
   ) { }
 
   ngOnInit(): void {
@@ -74,12 +76,12 @@ export class MasterPageComponent implements OnInit {
     this.stateService.resetScroll$.next(true);
   }
 
-  onLoggedOut() {
+  onLoggedOut(): void {
     this.refreshAuth();
   }
 
   refreshAuth(): void {
-    this.userAuth = JSON.parse(localStorage.getItem('auth') || '') ?? null;
+    this.userAuth = this.storageService.getAuth();
   }
 
   hamburgerClick(): void {

frontend/src/app/components/menu/menu.component.ts

@@ -2,6 +2,7 @@ import { Component, OnInit, Output, EventEmitter } from '@angular/core';
 import { Observable } from 'rxjs';
 import { ApiService } from '../../services/api.service';
 import { MenuGroup } from '../../interfaces/services.interface';
+import { StorageService } from '../../services/storage.service';
 
 @Component({
   selector: 'app-menu',
@@ -16,11 +17,12 @@ export class MenuComponent implements OnInit {
   @Output() loggedOut = new EventEmitter<boolean>();
 
   constructor(
-    private apiService: ApiService
+    private apiService: ApiService,
+    private storageService: StorageService
   ) {}
 
   ngOnInit(): void {
-    this.userAuth = JSON.parse(localStorage.getItem('auth') || '') ?? null;
+    this.userAuth = this.storageService.getAuth();
     this.userMenuGroups$ = this.apiService.getUserMenuGroups$();
   }