ActionsButtons.js

...
import { connect } from 'react-redux';

// Selectors //
import { createStructuredSelector } from 'reselect';
import { makeSelectUnreadCount } from 'data/chat/selectors';

...

const mapStateToProps = createStructuredSelector({
    unreadCount: makeSelectUnreadCount(),
});

export default connect(mapStateToProps)(ActionsButtons);