* Fix: change and to and so not clashing with grafana vars (#16365)
* Fix: change and to and so not clashing with grafana vars (#16365)
* Fix: update now to datetime (#16365)
* Fix: test should look for datetime instead of now (#16365)
* Fix: _az suffix to datasource convention (#16365)
* Fix: convert vars to macro, update doc (#16365)
* Fix: convert vars to macro, update doc (#16365)
* Fix: remove support for time vars (#16365)
* Fix: confilct from master
* add migration on editor open
* fix migration var name
