Change setting "send_all_email_to" to "send_all_emails_to"

main/inc/lib/api.lib.php

@@ -7866,7 +7866,7 @@ function api_mail_html(
         str_replace('<br />', "\n", api_html_entity_decode($message))
     );
 
-    $list = api_get_configuration_value('send_all_email_to');
+    $list = api_get_configuration_value('send_all_emails_to');
     if (!empty($list) && isset($list['emails'])) {
         foreach ($list['emails'] as $email) {
             $mail->AddBCC($email);

main/install/configuration.dist.php

@@ -475,7 +475,7 @@ $_configuration['agenda_legend'] = [
 //$_configuration['allow_scheduled_announcements'] = false;
 // Add the list of emails as a bcc when sending an email.
 /*
-$_configuration['send_all_email_to'] = [
+$_configuration['send_all_emails_to'] = [
     'emails' => [
         'admin1@example.com',
         'admin2@example.com',