[Search:WebCrawlers:ViewCrawler:Manage Domains page]Content radio buttons are skipped when navigating using only keyboard

[L1nBra]

Description
Not checked radio buttons should get focus in order when navigating through elements that user won't skip them, especially the ones which cannot see and relies on assistive technology.

Preconditions
Stateful Web crawlers -> View Crawler -> Manage Domains page, Extraction rules tab is opened.
Domain is added.

Steps to reproduce

1.Navigate to Add content fields rule button by pressing Tab key.
2.Press Enter.
3.Navigate to Learn more about storing... link by pressing Tab key.
4.Observe the flyout.

Actual Result

• Radio buttons in Source section get focus, but radio buttons in Content section are skipped (don't get focus). Focus after Source radio buttons goes to the link Learn more about storing...

Expected Result

• After Source radio buttons focus in order should go to Content radio buttons (Extracted value). After this radio button - to the link.

Meta Issue

Kibana Version: 8.17.0-SNAPSHOT

OS: Windows 11 Pro

Browser: Chrome Version 130.0.6723.70 (Official Build) (64-bit)

WCAG or Vendor Guidance (optional)

• Understanding SC 2.4.3: Focus Order (Level A)(https://www.w3.org/WAI/WCAG22/Understanding/focus-order.html)
• Understanding SC 1.3.1: Info and Relationships (Level A)(https://www.w3.org/WAI/WCAG22/Understanding/info-and-relationships.html)

Related to: https://github.com/elastic/search-team/issues/8256

[elasticmachine]

Pinging @elastic/kibana-accessibility (Project:Accessibility)