cheng-tan ff847cccad
[Accessibility] fix screen reader is not announcing 'Copied' information (#6059)
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## Why are these changes needed?
<!-- Please give a short summary of the change and the problem this
solves. -->
If user tab to a code block copy button then hit enter, screen reader
doesn't announce "Copied". This PR fixed this bug.


## Related issue number
#5631 (8)
<!-- For example: "Closes #1234" -->

## Checks

- [ ] I've included any doc changes needed for
<https://microsoft.github.io/autogen/>. See
<https://github.com/microsoft/autogen/blob/main/CONTRIBUTING.md> to
build and test documentation locally.
- [ ] I've added tests (if relevant) corresponding to the changes
introduced in this PR.
- [ ] I've made sure all auto checks have passed.
2025-03-21 13:17:29 -04:00
..
2024-12-02 16:42:28 -05:00
2025-01-13 21:22:03 +00:00