Bug 1811319 [wpt PR 38066] - VT: Make view-transition-name be a grouping property...

Bug 1811319 [wpt PR 38066] - VT: Make view-transition-name be a grouping property with a stacking context, a=testonly

Automatic update from web-platform-tests
VT: Make view-transition-name be a grouping property with a stacking context

This patch makes view-transition-name non-none property value be
a grouping value and it also makes sure it generates a stacking context

R=khushalsagar@chromium.org, bokan@chromium.org

Change-Id: I71908520bf5e514729224c669e3a271b450ac00a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4179643
Reviewed-by: Khushal Sagar <khushalsagar@chromium.org>
Commit-Queue: Vladimir Levin <vmpstr@chromium.org>
Reviewed-by: David Bokan <bokan@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1094607}

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wpt-commits: 0aa89372eca9b2cc7b8e48e8484f8beac81ca6f0
wpt-pr: 38066