amp-story-player: prev and next story buttons are hidden on Chrome

[MLB-Qwang]

Description

Expected
Prev and next story buttons are visible in amp-story-player across all browsers (not full-bleed)

Current
Prev and next story buttons are hidden in Chrome

I'm looking at the CSS and it looks like Chrome is not respecting :not(.i-amphtml-story-player-panel):

Reproduction Steps

Reproducible via this URL that loads multiple stories:

https://www.mlb.com/stories

Relevant Logs

No response

Browser(s) Affected

Chrome

OS(s) Affected

No response

Device(s) Affected

No response

AMP Version Affected

2406131415000

[erwinmombay]

@ychsieh do you mind taking a look at this when you get a chance