Zabbix

A......... [ZBX-27236] improved performance of the event.get and problem.get methods when using the "suppressed" and "symptom" options

* commit '73e51a910ae4bea1ebdebe7b2e056538e6187934':
  .D........ [ZBX-27236] added ChangeLog entry
  A......... [ZBX-27236] added several coding style improvements; thanks to vmaksimov
  A......... [ZBX-27236] improved performance of the event.get and problem.get methods when using the "suppressed" and "symptom" options
  A......... [ZBX-27236] fixed the output of the event.get method when using a filter by the cause_eventid field together with the enabled countOutput and groupBy options
  A......... [ZBX-27236] removed extra condition for the eventids option in the event.get method
  A......... [ZBX-27236] removed extra condition for the eventids option in the problem.get method

(cherry picked from commit 2ee25dbde0b4c02042aa5069313074d841d574bc)