Zabbix

A.F.....S. [ZBXNEXT-7049] added aggregation options to prometheus pattern preprocessing step, added bulk preprocessing for dependent items

Merge in ZBX/zabbix from feature/ZBXNEXT-7049-5.5 to master

* commit '75c064d6406c637267ae80a16a0a94750755baff': (55 commits)
  .D........ [ZBXNEXT-7049] added changelog entry
  ........S. [ZBXNEXT-7049] fixed warnings
  .......... [ZBXNEXT-7049] added one more value check
  .......... [ZBXNEXT-7049] added default values check
  .......... [ZBXNEXT-7049] added scenario for cheking prometheus fields
  ........S. [ZBXNEXT-7049] improved prometheus parsing error messages
  ........S. [ZBXNEXT-7049] reverted 'no space before metric value' message to include the leftover data
  ........S. [ZBXNEXT-7049] improved prometheus parsing error messages
  ........S. [ZBXNEXT-7049] don't copy cached values when preprocessing dependent items
  ..F....... [ZBXNEXT-7049] fixed preprocessing pattern function beeing editable, when inherited
  ........S. [ZBXNEXT-7049] removed redundant code
  .......... [ZBXNEXT-7049] fixed prometeus step parameters part 2
  ........S. [ZBXNEXT-7049] fixed indentation
  ........S. [ZBXNEXT-7049] fixed indentation
  .......... [ZBXNEXT-7049] fixed prometeus step parameters
  .......... [ZBXNEXT-7049] fixed prometeus data, added new cases, fixed trailing spaces scenario
  .......... [ZBXNEXT-7049] fixed prometeus parameter in data
  .......... [ZBXNEXT-7049] fixed prometeus parameter step locator
  ........S. [ZBXNEXT-7049] fixed memory leak in prometheus cache
  ........S. [ZBXNEXT-7049] fixed prometheus pattern validation in LLD
  ...