Zabbix

A.F....... [ZBX-26128] fixed sort order for problem and event acknowledgements to use ID for same timestamp records

* commit 'f4a7102b13d88789ced0149956bbe27d7c633b06':
  .......... [ZBX-26128] updated Selenium test, removed TODO and sleep() for unstable autotest in testFormUpdateProblem
  ..F....... [ZBX-26128] removed unnecessary calls to array_values()
  ..F....... [ZBX-26128] removed the getEventUpdates function - after removing the sorting, it is no longer needed
  A......... [ZBX-26128] remove redundant sorting
  .D........ [ZBX-26128] updated ChangeLog entry
  ..F....... [ZBX-26128] remove redundant sorting
  A......... [ZBX-26128] minor coding style fix
  ..F....... [ZBX-26128] revert event suppressed check logic to existing one
  A.F....... [ZBX-26128] code style fix
  A.F....... [ZBX-26128] fixed ordering problems, reverted changes, fixed ChangeLog entry
  .......... [ZBX-26128] added changelog file
  A.F....... [ZBX-26128] added additional sorting for acknowledges elements by clock and acknowledgeid; changed isEventSuppressed method will return true when no suppression_data is received from db but last acknowledge action is equal to suppress

(cherry picked from commit a8c248fd91b7dbddbd632ee03dcabfe990aefb98)