Zabbix

..F....... [DEV-4226] added debug info block related to table refresh displayed in monitoring pages

* commit '524a0ca35d82954c229b4f4dcda34754d0918270':
  ..F....... [DEV-4226] minor code refactoring
  ..F....... [DEV-4226] fixed displaying refresh debug only when there is any data. Coding style fixes
  ..F....... [DEV-4226] implemented refresh debug sections for monitoring problems, hosts and latest data
  ..F....... [DEV-4226] syntax and code style fix. Fix to not break if debug mode enabled for user who had it disabled
  ..F....... [DEV-4226] revert adding unnecessary functionality
  ..F....... [DEV-4226] added refresh debug after refresh filters
  ..F....... [DEV-4226] added debug info into response

(cherry picked from commit 87cae007d815b40e79c358e23cf3a25d0c2c7e59)