[MessageStrip]: Should not be a live region

[swendlandt]

Bug Description

The aria-live="assertive" should not be there, because static message strips should only have a role note and should not be live regions (this is also stated in the screen reader specification).

Affected Component

MessageStrip

Expected Behaviour

Message strip should not be a live region

Isolated Example

https://sap.github.io/ui5-webcomponents/playground/?path=/docs/main-message-strip--message-strip-overview

Steps to Reproduce

Generate a message strip in the "Dynamic" example

Log Output, Stack Trace or Screenshots

No response

Priority

Medium

UI5 Web Components Version

1.22.0

Browser

Chrome, Edge, Firefox, Safari

Operating System

No response

Additional Context

No response

Organization

SAP

Declaration

• I’m not disclosing any internal or sensitive information.