… tests"
This reverts commit  41594cc .

Issue number: resolves #29139
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issue. -->
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## What is the current behavior?
<!-- Please describe the current behavior that you are modifying. -->
When implementing
#28997 we did not
consider the case where a Toast could be presented. When presenting a
Toast after presenting a Modal the linked change causes the Modal to be
hidden from screen readers.
## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->
- If the top-most overlay is a Toast then the closest non-Toast overlay
is also not hidden from screen readers.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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  2. Update the BREAKING.md file with the breaking change.
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## Other information
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screenshots of how the component looks before and after the change. -->
Dev build: `7.7.5-dev.11710260658.1fc29a6c`
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Co-authored-by: Amanda Johnston <90629384+amandaejohnston@users.noreply.github.com>