Zabbix

...G...... [ZBX-20356] fixed Zabbix agent 2 to remove and readd performance counters on failed collection and to keep query always open

Merge in ZBX/zabbix from feature/ZBX-20356-6.0 to release/6.0

* commit 'e77b9c42badb3eeaad8e87bdaf03f2e6ed26f931':
  .D........ [ZBX-20356] added ChaneLog entry
  ...G...... [ZBX-20356] improved error reporting
  ...G...... [ZBX-20356] improved error reporting
  ...G...... [ZBX-20356] fixed Zabbix agent 2 on windows to keep counter to query open and retry on failed query