[Message] - Icon does not provide a text for screen readers

[MarcServat]

Description

Given the Message component with an icon When using screen readers Then only the text is read And the icon has no effect whatsoever

Reproduction

https://carbon.sage.com/?path=/story/message--with-focus

Steps to reproduce

1. Open the carbon storybook link provided
2. Turn on the voiceover (cmd+F5 for macos)
3. The message text is read, however not the icon.

JIRA ticket numbers (Sage only)

No response

Suggested solution

No response

Carbon version

142.13.0

Design tokens version

4.34.0

Relevant browsers

Chrome, Safari

Relevant OSs

MacOS

Additional context

No response

Confidentiality

• [X] I confirm there is no confidential or commercially sensitive information included.