Zabbix

.......PS. [DEV-3900] protected internal js JSON object usage from external manipulations

Merge in ZBX/zabbix from feature/DEV-3900-7.0 to release/7.0

* commit '9b0fc75d7d2972d4578a2c38632f87cc6525b3bc':
  .......PS. [DEV-3900] removed duplicate include
  .......PS. [DEV-3900] added JSON parse/stringify method storing in stash so internal calls are not affected by script JSON object manipulations