Zabbix

..F....... [ZBXNEXT-5419] implemented dashboard import and export functionality

* commit 'c9b8847e228c914205f28240a6c8f6f8a37a37d3': (77 commits)
  ..F....... [ZBXNEXT-5419] allowed exporting read-only dashboards from the list of dashboards
  ..F....... [ZBXNEXT-5419] fixed incorrect internal call of the class method
  A......... [ZBXNEXT-5419] fixed incorrect host and template referencing in dashboard import
  ..F....... [ZBXNEXT-5419] fixed empty usernames in missing object list
  ..F....... [ZBXNEXT-5419] restored the default behavior of TOC links
  ..F....... [ZBXNEXT-5419] added hints to the entries of the table of contents
  ..F....... [ZBXNEXT-5419] fixed console error when there are no changes
  .......... [ZBXNEXT-5419] fixed ChangeLog
  ..F....... [ZBXNEXT-5419] fixed missing links in the table of contents (diff view)
  A......... [ZBXNEXT-5419] fixed missing widget reference resolving for new dashboards
  A......... [ZBXNEXT-5419] fixed coding style
  A.F....... [ZBXNEXT-5419] moved specific ordering of changes from API to Frontend
  A......... [ZBXNEXT-5419] fixed incorrect comparison
  A.F....... [ZBXNEXT-5419] removed Frontend dependency on a "_unique_id"
  A......... [ZBXNEXT-5419] fixed coding style
  A......... [ZBXNEXT-5419] reverted: fixed the wrong numbering of added or deleted dashboard pages
  A......... [ZBXNEXT-5419] reverted: added a comment about outer dependency on "_unique_id" data"
  A......... [ZBXNEXT-5419] added a comment about outer dependency on "_unique_id" data
  A......... [ZBXNEXT-5419] fixed the wrong numbering of added or deleted dashboard pages
  ..F....... [ZBXNEXT-5419] moved inline scripts into the JavaScript file
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