Zabbix

..F....... [ZBX-22920] fixed undefined array key error when host under maintenance in dashboard Problems widget

* commit 'b1afde2d8fcc136e5fd549cffd132dbbdc7d838c':
  .......... [ZBX-22920] fixed Selenium test data
  ..F....... [ZBX-22920] fixed coding style
  ..F....... [ZBX-22920] updated logic for checks and info messages about maintenance names in Problems widget II
  ..F....... [ZBX-22920] updated logic for checks and info messages about maintenance names in Problems widget
  ..F....... [ZBX-22920] fixed undefined array key error when host under maintenance in dashboard Problems widget

(cherry picked from commit 928a9c94b3aa17259de082533c05de1874241e63)