* Adding es query alert type to server with commented out executor

* Adding skeleton es query alert to client with JSON editor. Pulled out index popoover into component for reuse between index threshold and es query alert types

* Implementing alert executor that performs query and matches condition against doc count

* Added tests for server side alert type

* Updated alert executor to de-duplicate matches and create instance for every document if threshold is not defined

* Moving more index popover code out of index threshold and es query expression components

* Ability to remove threshold condition from es query alert

* Validation tests

* Adding ability to test out query. Need to add error handling and it looks ugly

* Fixing bug with creating alert with threshold and i18n

* wip

* Fixing tests

* Simplifying executor logic to only handle threshold and store hits in action context

* Adding functional test for es query alert

* Types

* Adding functional test for query testing

* Fixing unit test

* Adding link to ES docs. Cleaning up logger statements

* Adding docs

* Updating docs based on feedback

* PR fixes

* Using ES client typings

* Fixing unit test

* Fixing copy based on comments

* Fixing copy based on comments

* Fixing bug in index select popover

* Fixing unit tests

* Making track_total_hits configurable

* Fixing functional test

* PR fixes

* Added unit test

* Removing unused import

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>