Deactive Search WP on AJAX P2P search query

beapi-searchwp.php

<?php
/*
  Plugin Name: Be API - Search WP
  Plugin URI: http://www.beapi.fr
  Description: Deactive Search WP on AJAX P2P search query
  Author: BeAPI
  Author URI: http://www.beapi.fr
  Version: 1.0.0
 */

add_filter( 'searchwp_short_circuit', 'beapi_searchwp_short_circuit', 10, 2 );

function beapi_searchwp_short_circuit( $short_circuit, $obj ) {
	if ( ! is_admin() ) {
		return false;
	}

	if ( ! DOING_AJAX ) {
		return false;
	}

	if ( ! isset( $_POST['s'] ) ) {
		return false;
	}

	if ( ! isset( $_POST['action'] ) ) {
		return false;
	}

	if ( 'p2p_box' !== $_POST['action'] ) {
		return false;
	}

	return true;
}