* [Discover] migrate remaining context files from js to ts
* [Discover] get rid of any types
* [Discover] replace constants with enums, update imports
* [Discover] use unknown instead of any, correct types
* [Discover] skip any type for tests
* [Discover] add euiDataGrid view
* [Discover] add support dataGrid columns, provide ability to do not change sorting, highlight anchor doc, rename legacy variables
* [Discover] update context_legacy test and types
* [Discover] update unit tests, add context header
* [Discover] update unit and functional tests
* [Discover] remove docTable from context test which uses new data grid
* [Discover] update EsHitRecord type, use it for context app. add no pagination support
* [Discover] resolve type error in test
* [Discover] add disabling control columns option, change loading feedback
* [Discover] clean up, update functional tests
* [Discover] remove invalid translations
* [Discover] support both no results found and loading feedback
* [Discover] provide loading status for discover
* [Discover] fix functional test
* [Discover] add useDataGridColumns test, update by comments
* [Discover] fix types
Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
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