Correcting overselecting menue

front/app/src/app/layout/sidenav/sidenav.component.ts

@@ -63,6 +63,6 @@ export class SidenavComponent {
     }
 
     is_current_page(menu_item: MenuItem) {
-        return this.router.url.indexOf(`${menu_item.link}/`) > -1;
+        return this.router.url.startsWith(menu_item.link);
     }
 }