Explore: Adds LogQueryField for InfluxDb (#17450)

* Wip: Intial commit

* Wip: Adds intial InfluxLogsQueryField

* Refactor: Adds measurements to InfluxLogQueryField

* Style: Tweaks styles and adds chosen measurement to measurements

* Refactor: Adds remove filter row

* refactor: make influx datasource typed

Uses the new api for exporting the plugin.

* adds metricFindQuery to DataSourceApi

metricFindQuery, getTagKeys and getTagValues now returns a promise

* influx: minor improvements

Limits logs result to 1000.
Don't show adhoc filter until measurement have been selected.

* Refactor: Adds fields to Cascader and uses chosen field as log column

Co-authored-by: Marcus <marcus.efraimsson@gmail.com>

public/app/plugins/datasource/influxdb/plugin.json

@@ -6,6 +6,7 @@
 
   "defaultMatchFormat": "regex values",
   "metrics": true,
+  "logs": true,
   "annotations": true,
   "alerting": true,