........S. [ZBXNEXT-2471] improved value cache management by resetting item's cached range to the daily request range once per day


git-svn-id: svn://svn.zabbix.com/trunk@50616 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
.......... [ZBXNEXT-1855] fixed ChangeLog entry

git-svn-id: svn://svn.zabbix.com/trunk@50625 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2