Fix printing of ArrayBoilerplateDescription

It used to print the elements kind as a byte, thus producing \000 etc.
This also broke the json produced by --trace-turbo.

Change-Id: I2f9ce5cb5815ab30fd7866e52fa5ab2732904e1b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2074640
Commit-Queue: Georg Neis <neis@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Auto-Submit: Georg Neis <neis@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66466}

src/objects/objects.cc

@@ -2156,7 +2156,8 @@ void ClassPositions::BriefPrintDetails(std::ostream& os) {
 }
 
 void ArrayBoilerplateDescription::BriefPrintDetails(std::ostream& os) {
-  os << " " << elements_kind() << ", " << Brief(constant_elements());
+  os << " " << ElementsKindToString(elements_kind()) << ", "
+     << Brief(constant_elements());
 }
 
 void CallableTask::BriefPrintDetails(std::ostream& os) {