[MGTP-file-list- Property -File list upload]: ‘Upload File’ Button is not adopting Aquatic/Desert contrast theme.

[Raisul123]

Test Environment: OS Build: Windows 11  Version: 24H2 (OS Build 26058.1400)  Browser: Edge dev  Browser Version 123.0.2400.1 (Official build) dev (64-bit) URL: Overview - Docs ⋅ Storybook (mgt.dev)

Pre-requisite: Turn on high contrast aquatic mode from system setting-> Accessibility-> Contrast theme>Aquatic and desert

Repro Steps:

1. Open the above URL
2. The ‘Microsoft Graph Toolkit Playground' Overview page will get displayed.
3. Navigate to the ‘MGTP-file-list’ and activate it.
4. Navigate to the ‘Property’ and activate it.
5. Navigate to the ‘"File list upload " and activate it.
6. Navigate to ‘Upload File’ using tab key.
7. Verify the issue.

Actual Result: ‘Upload File’ Button is not adopting Aquatic/Desert contrast theme.

Expected Result: ‘Upload File’ Button should adopt Aquatic/Desert contrast theme.

Observation: issue repro throughout application

User Impact: When any 'control' is not adopting 'Aquatic mode' theme, it will be difficult for users having low vision to navigate easily to the desired element and access or understand the purpose of control.

“ Have feedback on bugs logged, please tag bug as “A11yRCA“ and add your feedback in the comment section. “

Attachments:

Expected behavior of Button.