* use fixed_interval in date_histogram
* Add 8.0 to available versions in datasource settings
* Remove moving_avg from available metric aggregations
* Add ES8 devenv
* Update public/app/plugins/datasource/elasticsearch/components/QueryEditor/MetricAggregationsEditor/utils.ts
Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>
* Add FE tests
* Add BE test
* fix FE test
* fix BE test
Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>