Previously we'd report all property edges with symbol names as <symbol>,
which was not very useful, especially with private class fields now
seeing more adoption.

Fixed: chromium:1232467
Change-Id: I53cf0811c4b83d016b988b687c6decbddd3c2fdd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3055309
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Auto-Submit: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75962}