[MGTP File-Docs-file page]: Descriptive Alt text is not defined for PPT file icon.

[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)

Repro Steps:

1. Open the above URL
2. The ‘Microsoft Graph Toolkit Playground' Overview page will get displayed.
3. Navigate to the ‘MGTP File’ and activate it.
4. Navigate to the ‘Docs’ and activate it.
5. Navigate to the ‘PPT file icon’.
6. Press F12 key to open developer mode
7. Verify the issue.

Actual Result:
Descriptive Alt text is not defined for PPT file icon.
PPT file icon ‘Alt’ defined as ‘File icon’

Expected Result:
Descriptive Alt text should be defined for PPT file icon.
PPT file icon ‘Alt’ should be defined as ‘PPT File icon’.

Observation:
Same issue repro with ‘Docs, Excel, Word..etc image file icon’

User Impact:
Users relying on screen readers or other assistive technologies may receive incomplete or inaccurate information about the content of the image attachment. This can hinder their ability to understand the context and meaning of the image icon.

WCAG Reference:
Understanding Success Criterion 1.1.1: Non-text Content | WAI | W3C

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

Attachments: