Add invalidation to select:open when datalist popover toggles
This patch makes select:open selectors get updated when the select is
toggled open or closed due to popover triggering code. Without this,
appearance:base-select s might have styles applies for the
closed state when they are open or vice versa.
Bug: 40146374
Change-Id: If955675abf45a059f23cd005111152e72e1e5cda
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5545431
Reviewed-by: David Baron dbaron@chromium.org
Commit-Queue: Joey Arhar jarhar@chromium.org
Cr-Commit-Position: refs/heads/main@{#1303858}