[Bug]: Ensures all ARIA attributes have valid values for Themes button

[msftedad]

Describe the bug

Ensures all ARIA attributes have valid values for Themes button.

Actual Result:
All ARIA attributes doesn't have valid values for Themes button.

Expected Result:
Ensures all ARIA attributes have valid values for Themes button.

To Reproduce

1. Open URL: Common Navigation - Scrolling Panel ⋅ Storybook (windows.net)
2. Navigate to “Themes” button at left side of the pane invoke it.
3. Now apply Accessibility insights for web and observe the issue at Themes button.

System

OS: Windows 11
OS version: 22H2 (OS Build 22621.2134)
Edge Version: 116.0.1938.69 (Official build) (64-bit)

Additional context

NA

[pedrosoc]

@shilman, Can you please assign this issue to me?

I'm Brazilian, and I'm currently taking a university class with the goal of promoting open-source projects. I'm a regular user of storybook, and I'm highly interested in resolving this issue to contribute to the advancement of the framework!

Please add hacktoberfest label if it's possible 😄

[msftedad]

Hi team, Any update on this issue?