Fix up bugs in popover-light-dismiss-scroll-within.html.
This test was extracted in [1] from the popover-light-dismiss.html
test. But one 6 was missed in the style block, which broke it.
[1] https://bugs.webkit.org/show_bug.cgi?id=273141
Fixed: 338339789
Change-Id: I0a1ae673187cc870dc1856981fc887058a765f8c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5549043
Reviewed-by: Joey Arhar jarhar@chromium.org
Auto-Submit: Mason Freed masonf@chromium.org
Commit-Queue: Joey Arhar jarhar@chromium.org
Cr-Commit-Position: refs/heads/main@{#1303406}