Zabbix

.......PS. [ZBX-20405] improved timeouts in JS

* commit '8771c9b0eb1fd251228421902ac5ec06b4ebb4fd':
  .......... [ZBX-20405] added changelog
  .......PS. [ZBX-20405] refactored
  .......PS. [ZBX-20405] fixed trailing space
  .......PS. [ZBX-20405] refactored env retrieval
  .......PS. [ZBX-20405] updated comment
  .......PS. [ZBX-20405] improved embeded script timeout checking macro
  ........S. [ZBX-20405] added various fixes
  ........S. [ZBX-20405] added es timeout check macro
  ........S. [ZBX-20405] added earlier failure on timeout in httprequest, get env like in ctor
  ........S. [ZBX-20405] throw error on null timeout
  ........S. [ZBX-20405] fixed timeout in httprequest

(cherry picked from commit be416fe67134fae54cd8caf9b7817036bf98e5de)