[Kibana Management] Support for ES|QL autocomplete in Console

[wajihaparvez]

Releasing in 8.19/9.1.
Related pages:

• https://www.elastic.co/docs/explore-analyze/query-filter/languages/esql-kibana
• https://www.elastic.co/docs/explore-analyze/query-filter/tools/console

PoC: Elena Stoeva

[florent-leborgne]

@wajihaparvez I'll likely edit those pages too for these releases, as you may have guessed from #1443. Let's sync :D