For large BigInts, computing the decimal representation can take a
very long time, so send them as hexadecimal strings instead. Also
make sure to abbreviate the RemoteObject description for bigints
appropriately always.

Also-By: jarin@chromium.org
Fixed: chromium:1068663
Change-Id: I2f7e4e1cbd2f66ce45be307fb787e101d9a8e2a7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3578653
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Auto-Submit: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79872}