[a11y]: File Uploader - No error message on uploading invalid file type

[guidari]

Package

@carbon/react

Browser

Firefox

Operating System

No response

Package version

v1.55.0

React version

18.02

Automated testing tool and ruleset

Manual QA

Assistive technology

JAWS

Description

The instruction says that only .jpg & .png files can be uploaded, but currently it accepts all types of files without any error message

WCAG 2.1 Violation

No response

Reproduction/example

https://react.carbondesignsystem.com/?path=/story/components-fileuploader--drag-and-drop-upload-container-example-application

Code of Conduct

• [X] I agree to follow this project's Code of Conduct
• [X] I checked the current issues for duplicate problems