[Internal]: Improve GenAI Settings page

[benironside]

Description

Met with Tim to discuss the new GenAI Settings page. He had some good feedback that I'm going to incorporate into the page.

Resources

Which documentation set does this change impact?

Elastic On-Prem and Cloud (all)

Feature differences

What release is this request related to?

N/A

Serverless release

Collaboration model

The documentation team

Point of contact.

Main contact: @

Stakeholders:

[benironside]

Asked for some additional information from the product team about how the "default" setting works.