Zabbix

..F....... [ZBX-16018] fixed detection of logical functions (or / and) inside the context of user macros

* commit '4fdc30e1f21fdceb475473be4064a59547cdbd13':
  ..F....... [ZBX-16018] fixed changelog
  ..F....... [ZBX-16018] fixed coding style
  ..F....... [ZBX-16018] unit tests added for the fixed function getExpressionTree.
  ..F....... [ZBX-16018] fixed detection of logical functions (or / and) inside the context of user macros.

(cherry picked from commit 219f94cf71330de71cad5db83c03a58662cdadde)