suggestion implemented return blank array

--- ./lib/private/User/Manager.php	2023-02-03 17:18:44.729561986 +0530

+++ ./lib/private/User/Manager-new.php	2023-02-10 16:40:27.367230901 +0530

@@ -705,6 +705,48 @@

+++ ./lib/private/User/Manager-new.php	2023-02-10 17:10:18.767230727 +0530

@@ -705,6 +705,49 @@

 	 * @since 9.1.0

 	 */

 	public function getByEmail($email) {

+		$mail_domain = $this->config->getSystemValue('mail_domain', '');

+		$alt_domain = $this->config->getSystemValue('alt_mail_domain', '');

+

+		$mail_domain_suffix ='';

+		$alt_domain_suffix ='';

+		$domain_found=1;

+