Issue number: resolves#27928
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## What is the current behavior?
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Action sheet, alert, picker, and toast did not have logic where the
overlay presents if `isOpen="true"` on load. Modal, popover, and loading
had this logic but did not have test coverage.
## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->
- Updated action sheet, alert, picker, and toast to present if
`isOpen="true"` on load
- Added test coverage to all overlays for this functionality.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
Dev build: `7.2.3-dev.11691156718.1638345c`
a0e6ac6013