[handles] DCHECK that thread is running in LocalHandleScope constructor

It is easy to miss that a LocalHandleScope can only be created when
the current thread is in the running state and not parked. Add a DCHECK
for this, such that we don't need to rely on TSAN for finding such
issues.

Bug: v8:12357
Change-Id: I1f2f9b1fdf05814009f2edccf192afbb1caf6baf
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3257705
Auto-Submit: Dominik Inführ <dinfuehr@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77672}

src/handles/local-handles-inl.h

@@ -34,6 +34,8 @@ LocalHandleScope::LocalHandleScope(LocalIsolate* local_isolate)
     : LocalHandleScope(local_isolate->heap()) {}
 
 LocalHandleScope::LocalHandleScope(LocalHeap* local_heap) {
+  DCHECK(local_heap->IsRunning());
+
   if (local_heap->is_main_thread()) {
     OpenMainThreadScope(local_heap);
   } else {