This fixes a check in the code that recompiles Liftoff
if breakpoints were removed on isolate removal.

Change-Id: I969b1b027a393f48e92ef4df37f6e672d16866cc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2247648Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Kim-Anh Tran <kimanh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68386}