- Print extension and type
- Clarify elements printing

Change-Id: Ie5d5fb60e20bb2f5bfee4e438a4dec52b3b27d13
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3186435
Auto-Submit: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77093}