Add noop callback to setState bind
Add noop callback to setState bind

Prevent event from being sent as the second argument to `setState`.
`setState` expects an optional callback function and throws an error if
it gets called with something else.

stevenocchipinti/react-toggle,instructure-react/react-toggle,aaronshaf/react-toggle,stevenocchipinti/react-toggle,instructure-react/react-toggle,aaronshaf/react-toggle