listbox-button: v19 skin fluid listbox-button dropdown does not have 100% width

[gaobowenebay]

I verified there's no existing issue for this bug.

• There are no existing issues

Current behavior

Fluid listbox-button's dropdown not have 100% width.
https://opensource.ebay.com/ebayui-core/?path=/story/buttons-ebay-listbox-button--default&args=fluid:!true

Expected behavior

Fluid listbox-button's dropdown have 100% width.

Skin version

v19

Device/OS/Browser info

Chrome on Mac OS

Steps to reproduce

Open ebay-ui storybook listbox-button, set fluid to true.
https://opensource.ebay.com/ebayui-core/?path=/story/buttons-ebay-listbox-button--default&args=fluid:!true

Relevant code block

No response

Additional context

No response