- Create SourcePosition objects for Map and IC log entries
- Display source code with markers for SourcePositions
- Avoid some try-catches for a better debugging experience

Bug: v8:10644
Change-Id: I559b0eaeaa1442986a00d2ef720d19ba85178509
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2424258Reviewed-by: Sathya Gunasekaran  <gsathya@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Auto-Submit: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70091}