VT: Add transform node for view-transition named elements
This fixes a problem where the vt element does not escape the clip.
Bug: 348590918
Change-Id: I48e3791da6037afe37e30507600f95feb1571612
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5647528
Commit-Queue: Vladimir Levin vmpstr@chromium.org
Reviewed-by: Xianzhu Wang wangxianzhu@chromium.org
Cr-Commit-Position: refs/heads/main@{#1317996}