Zabbix

..F....... [ZBXNEXT-9319] fixed several issues for dashboard editing improvements

* commit '906cc674132a17c94bfe7c527ad44f038b3403d6':
  ..F....... [ZBXNEXT-9319] fixed using outdated names of multiselects in datasets of Graph widgets
  ..F....... [ZBXNEXT-9319] fixed PHP error in Graph widget for items which do not exist on overridden host
  ..F....... [ZBXNEXT-9319] fixed early initialization of Sortable component when content is not yet fully rendered
  ..F....... [ZBXNEXT-9319] fixed console error when trigger element is not passed to Overlay constructor