implemented user impersonization

frontend/src/routes/user/User.svelte

@@ -5,6 +5,7 @@
 
     import EditPassword from './EditPassword.svelte';
     import UserList from './List.svelte';
+    import LoginServiceList from './LoginServices.svelte';
 
     const router = useTinyRouter();
 
@@ -90,4 +91,5 @@
 {#if user.permissions.includes('LIST_USERS')}
 <UserList />
 {/if}
+<LoginServiceList />