Fix Log-in Outside Lighthouse Crash The App
Fix Log-in Outside Lighthouse Crash The App

Summary:
The `error` was not recognized as a string and React was not happy about it.

Change the `error` to a string explicitly. Also, add space between the error and the form box.

Reviewed By: jknoxville

Differential Revision: D18829862

fbshipit-source-id: 0474d411a95bab4bc4f62a3f3d3839029938a9e6

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper