A......... [ZBX-8486] Fix query to use lowercase aliases so PostgreSQL does not mess them up.
A......... [ZBX-8486] Add sorting by position when comparing steps in CHttpTestManager::compareHttpSteps().

git-svn-id: svn://svn.zabbix.com/trunk@50901 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2