Zabbix

..F....... [ZBX-16011] made "Test all steps" button be available only when at least 2 preprocessing steps are created

* commit '84dcaf5764a1ea70489ec8408047a82ce3a43754':
  .D........ [ZBX-16011] fixed changelong
  ..F....... [ZBX-16011] removed uneccessary css class
  ..F....... [ZBX-16011] removed unnecessary if statements
  ..F....... [ZBX-16011] made 'test all steps' button visible only when at least 2 preprocessing steps are defined

(cherry picked from commit f279238bdb002e339ff9eb8eba5bbed9c659c1ae)