new initialization process, keycloak update 24.0.4

bizmatch/src/app/components/header/header.component.html

@@ -4,7 +4,9 @@
     <p-tabMenu [model]="tabItems" ariaLabelledBy="label" styleClass="flex" [activeItem]="activeItem"> </p-tabMenu>
     <p-menubar [model]="menuItems"></p-menubar>
     <p-menubar [model]="loginItems"></p-menubar>
-    <div *ngIf="user$ | async as user; else empty">Welcome, {{ user.firstName }}</div>
+    @if(user){
+    <div>Welcome, {{ user.firstName }}</div>
+    }
     <ng-template #empty> </ng-template>
   </div>
 </div>