Zabbix

A...I..... [ZBX-23580] fixed aggregated item key conversion to calculated item formula when item key has "last" function and additional four parameter

* commit 'cd4570af22bcebb2f4eee163cd4f663938d821e7':
  ....I..... [ZBX-23580] removed unneeded code
  ....I..... [ZBX-23580] fixed code formatting
  ....I..... [ZBX-23580] removed unused variable
  ....I..... [ZBX-23580] fixed expression parsing
  A......... [ZBX-23580] fixed PHPDoc
  A......... [ZBX-23580] added removing of invalid 2nd parameter in last_foreach function while importing items and item prototypes
  A......... [ZBX-23580] removed useless code; fixed PHPDoc
  A......... [ZBX-23580] added removing of useless 2nd parameter in last_foreach function while importing items and item prototypes
  ....I..... [ZBX-23580] fixed memory leak
  ....I..... [ZBX-23580] fixed code style
  ....I..... [ZBX-23580] removed unneeded code
  ....I..... [ZBX-23580] fixed compilation warning
  ....I..... [ZBX-23580] fixed formulas having more than one last_foreach
  ....I..... [ZBX-23580] fixed formulas not created from former aggregate items
  ....I..... [ZBX-23580] added upgrade patch to remove zero time periods from calculated item formulas
  .......... [ZBX-23580] fixed phpunit tests
  ....I..... [ZBX-23580] fixed conversion of aggregate checks to calculated items in db upgrade patch
  A...I..... [ZBX-23580] fixed aggregated item key conversion to calculated item formula when item key has "last" function and additional four parameter