CCrmUserType::onBeforeGetPublicEdit

static function onBeforeGetPublicEdit(\Bitrix\Main\Event $event)
{
	$eventParameters = $event->getParameters();

	if($eventParameters[1]['CONTEXT'] == 'CRM_EDITOR')
	{
		$eventParameters[0]['SETTINGS']['LABEL_CHECKBOX'] = $eventParameters[0]['EDIT_FORM_LABEL'];
	}

	$event->setParameters($eventParameters);
}