backgroundColor has no effect on DismissibleBox

[nokSage]

Description

The backgroundColor prop has no effect on DismissibleBox. It looks like that it is accidentally exposed because normally one would prefer to use the variant prop to control the background colour instead.

Reproduction

https://stackblitz.com/edit/parsium-carbon-starter-2jcuzf?file=src%2FApp.tsx

Steps to reproduce

No response

JIRA ticket numbers (Sage only)

No response

Suggested solution

Remove backgroundColor from TS props definition and documentation for the DismissibleBox component

Carbon version

144.9.3

Design tokens version

No response

Relevant browsers

Chrome

Relevant OSs

MacOS

Additional context

No response

Confidentiality

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