[ELCA-27] Expose NavbarComponent and childs to permit customizing

ui/ui-frontend-common/src/app/modules/components/navbar/index.ts

@@ -35,3 +35,4 @@
  * knowledge of the CeCILL-C license and that you accept its terms.
  */
 export * from './customer-menu/menu-option.interface';
+export * from './navbar.component';

ui/ui-frontend-common/src/app/modules/components/navbar/navbar.module.ts

@@ -62,7 +62,7 @@ import { TenantMenuComponent } from './tenant-menu/tenant-menu.component';
     MatDialogModule,
   ],
   declarations: [NavbarComponent, ApplicationMenuComponent, TenantMenuComponent, CustomerMenuComponent, CommonMenuComponent],
-  exports: [NavbarComponent],
+  exports: [NavbarComponent, ApplicationMenuComponent, TenantMenuComponent, CustomerMenuComponent, CommonMenuComponent],
   entryComponents: [CommonMenuComponent]
 })
 export class NavbarModule { }