Zabbix

...G...... [ZBX-17543] fixed error in case if wmi.getall returned no items

Merge in ZBX/zabbix from feature/ZBX-17543-5.0 to release/5.0

* commit 'abc218069a7bbc4aa99dec6bf2dbd7d0e75bcb34':
  ...G...... [ZBX-17543] refactoring
  ...G...... [ZBX-17543] post-review refactoring
  ...G...... [ZBX-17543] update 2 for sub-issue 1, post review fixes
  ...G...... [ZBX-17543] update for sub-issue 1, post review fixes
  ...G...... [ZBX-17543] Added ChangeLog, fixed wrong space
  ...G...... [ZBX-17543] fixed error in case if wmi.getall returned no items

(cherry picked from commit 92326e85a9e13768defc9b705eb581fa469333ba)