Tabs have gray grey horizontal scroll bar displayed even when the tab list cannot be scrolled

[chrisjbrown]

Expected behavior When the tab list can not be scrolled no scroll bar is shown

Actual behavior Scroll bar is always shown

Steps to reproduce the issue

1. visit https://www.jstor.org/action/showAdvancedSearch or https://pharos.jstor.org/storybooks/wc/?path=/story/components-tabs--base
2. see the grey bar below tab list

Screenshots or code

Pharos version Indicate which version of Pharos you are using.

Your environment

• OS: macOS
• Browser: Firefox, Chrome
• Version: Firefox 113

Additional information Add any additional notes or further context about the issue here, including any known workarounds.