Update FES Vendor/Seller profile link

add_filter( 'fes_user_nicename_to_lower', 'prefix_fix_vendor_url', 10, 2 );

/**

 * Fix the vendor URL for a specific user.

 *

 * @param $nicename

 * @param $user

 * @return string

 */

function prefix_fix_vendor_url( $nicename, $user ) {

	if ( '[email protected]' === $user->user_email ) {

		return 'anonymous';

	}

	return $nicename;

}