documentation

fixed block order in: ja/manual/config/items/itemtypes/zabbix_agent.md

Merge in WEB/documentation from feature/block-order-6.0 to release/6.0

* commit '1ae870894a4bcf6ad856ba349cf30365045955fa':
  fixed block oreder in: ja/manual/config/items/itemtypes/zabbix_agent.md