ActionMenu with overflow doesn’t contain scrollbars within its rounded border

[dylanatsmith]

Description

Scrollbar contained within rounded corners of ActionList

Steps to reproduce

1. Put a whole bunch of items in an ActionMenu too short to contain them
2. You may need to force enable scrollbars at OS level

Version

Whatever’s in dotcom

Browser

No response

[github-actions]

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[siddharthkp]

Just passing by: overflow: scroll should be on the ActionList inside the Overlay. not on the overflow itself, that way we can ensure the border radius of the Overlay stays intact

[lesliecdubs]

Wondering if someone in Primer Design might be able to take a look and weigh in on the CSS change needed here?

[tallys]

@camertron can you follow up on this if it's React?