Fix Date display issue in UserList

app/static/js/nopaque/RessourceLists/UserList.js

@@ -50,7 +50,7 @@ class UserList extends RessourceList {
             id_: user.id,
             username: user.username,
             email: user.email,
-            last_seen: new Date(user.last_seen * 1000).toLocaleString("en-US"),
+            last_seen: new Date(user.last_seen).toLocaleString("en-US"),
             role: user.role.name};
   }
 }