Fixed the following code smells:

1) useState call is not destructured into value + setter pair.
2) A fragment with only one child is redundant.
3) Unnecessary '.apply()' and '.call()'.
4) Expected the Promise rejection reason to be an Error.

web/pgadmin/authenticate/static/js/kerberos.js

@@ -43,7 +43,7 @@ function fetch_ticket_lifetime () {
       if (ticket_lifetime > 0) {
         return Promise.resolve(ticket_lifetime);
       } else {
-        return Promise.reject();
+        return Promise.reject(new Error(null));
       }
     });