* use streams for both es and kibana calls
* improve run speed
* update comments
* fixes for review
* update test
* use msearch to get all ES requests
* remove unused method
* Update packages/kbn-performance-testing-dataset-extractor/src/es_client.ts
Co-authored-by: Spencer <email@spalger.com>
* fix code
* specify index
* check span is defined
Co-authored-by: Spencer <email@spalger.com>