[Security:Investigations:Notes page]Issues with options in Created by

[L1nBra]

Description
Existing options in the list has to be announced correctly, with correct total number, for users using assistive technology.

Preconditions
Security -> Investigations -> Notes page.
Use Screen Reader (NVDA).

Steps to reproduce

1.Navigate to Created by field.
2.Navigate through options for this field.
3.Observe page and screen reader.

UI elements + NVDA Speech Viewer

Actual Result

• Different total number of options are announced with existing options (f.e.: "...1 of 9", "...8 of 10").

Expected Result

• Correct total number is announced with each existing option, in this case total number is 10.

Meta Issue

Kibana Version: 8.17.0-SNAPSHOT

OS: Windows 11 Pro

Browser: Chrome Version 131.0.6778.140 (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)
• 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/kibana-team/issues/1280

[elasticmachine]

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

[elasticmachine]

Pinging @elastic/security-solution (Team: SecuritySolution)