[ES|QL] Follow ups on variables

[stratoula]

Summary

This PR:

• add an extra information when hovering over a variable

• passes the variables on the fields retrieval endpoint in the editor to get the fields correctly when there are variables in the query

Checklist

• Unit or functional tests were updated or added to match the most common scenarios

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: 26f582d

Metrics [docs]

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
@kbn/esql-ast	249	250	+1
@kbn/esql-editor	14	15	+1
@kbn/esql-validation-autocomplete	201	200	-1
@kbn/monaco	186	185	-1
total			-0

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
lens	1.5MB	1.5MB	+24.0B
stackAlerts	73.2KB	73.2KB	+24.0B
total			+48.0B

Public APIs missing exports

Total count of every type that is part of your API that should be exported but is not. This will cause broken links in the API documentation system. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats exports for more detailed information.

id	before	after	diff
@kbn/esql-ast	26	25	-1

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
kbnUiSharedDeps-srcJs	3.6MB	3.6MB	+492.0B

Unknown metric groups

API count

id	before	after	diff
@kbn/esql-ast	313	314	+1
@kbn/esql-editor	37	38	+1
@kbn/esql-validation-autocomplete	213	212	-1
@kbn/monaco	186	185	-1
total			-0

History

• 💔 Build #280720 failed 07af697

[elasticmachine]

Pinging @elastic/kibana-esql (Team:ESQL)