[Search: Home page] Additional element information is announced when active element is link

[L1nBra]

Description
Link has to contain information only about link. No additional elements should be announced for the user.

Preconditions
Stateful Home page (Overview) is opened.
Use Screen Reader (NVDA).

Steps to reproduce

1.Navigate to New button while using only keyboard by pressing Tab key.
2.Press Enter.
3.Navigate while pressing Tab key to Security Privileges.
4.Press Tab key.
5.Press Enter or Space bar key.
6.Press Tab key to navigate to Learn how to structure role descriptors link.

UI element

NVDA Speech Viewer

Actual Result

• First Screen Reader announces Security Privileges button information, following by the link announcement.
  Same behavior with Learn how to structure role metadata link (first Metadata button information, then link announcement).

Expected Result

• User should hear announcement of the link when focus is on the link.

Meta Issue

Kibana Version: 8.16.0-SNAPSHOT

OS: Windows 11 Pro

Browser: Chrome Version 129.0.6668.70 (Official Build) (64-bit)

Screen reader: NVDA

WCAG or Vendor Guidance (optional)

• Understanding SC 4.1.2 Name, Role, Value (Level A)(https://www.w3.org/WAI/WCAG22/Understanding/name-role-value.html)

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

[elasticmachine]

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