[Bug]: V9 Searchbox is a regression from V8: There is not option to have an unfixed width

[snisonoffMS]

Component

SearchBox

Package version

9.58.3

React version

^16.14.0

Environment

System:
    OS: Windows 11 10.0.26120
    CPU: (12) x64 Intel(R) Xeon(R) W-2235 CPU @ 3.80GHz
    Memory: 37.09 GB / 63.73 GB
  Browsers:
    Edge: Chromium (133.0.3065.51)

Current Behavior

There is no option to have an unfixed width for the searchbox

Expected Behavior

there should be an option to have an unfixed width in the searchbox, which was the default behavior in v8

Reproduction

https://react.fluentui.dev/?path=/docs/components-searchbox--docs#size

Steps to reproduce

open https://react.fluentui.dev/?path=/docs/components-searchbox--docs#size and https://developer.microsoft.com/en-us/fluentui#/controls/web/searchbox

Are you reporting an Accessibility issue?

no

Suggested severity

Urgent - No workaround and Products/sites are affected

Products/sites affected

TwoUI

Are you willing to submit a PR to fix?

no

Validations

• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• The provided reproduction is a minimal reproducible example of the bug.