[Bug]: ExpandableSearch "isExpanded" state cannot be controlled

[justindm234]

Package

@carbon/react

Browser

Chrome, Firefox

Package version

1.42

React version

17.0.2

Description

ExpandableSearch does not honor changes to the isExpanded prop to allow apps to open/close the search programmatically

Reproduction/example

https://codesandbox.io/s/isexpanded-prop-changes-not-honored-vxkysw?file=/src/index.js

Steps to reproduce

• Define ExpandableSearch component with an isExpanded prop
• Change the value of the passed isExpanded prop

Suggested Severity

Severity 2 = User cannot complete task, and/or no workaround within the user experience of a given component.

Application/PAL

IBM Z Hardware Management Console

Code of Conduct

• I agree to follow this project's Code of Conduct
• I checked the current issues for duplicate problems

[justindm234]

I believe this support is needed to implement an accessible active search pattern - I need to be able to keep the ExpandableSearch component expanded when the user moves focus to the results Popover.