A.F....... [ZBX-8904] Fix in CItem::addRelatedObjects() method typo "intefaceids" to "interfaceids" and fix other similar typos in frontend code.

git-svn-id: svn://svn.zabbix.com/trunk@50233 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2