LibJS: Convert Heap::allocate{,_without_realm}() to NonnullGCPtr

Author: https://github.com/linusg
Commit: 22089436ed
Pull-request: https://github.com/SerenityOS/serenity/pull/16498
Reviewed-by: https://github.com/trflynn89 ✅

Userland/Libraries/LibJS/Runtime/GeneratorObject.cpp

@@ -32,7 +32,7 @@ ThrowCompletionOr<NonnullGCPtr<GeneratorObject>> GeneratorObject::create(Realm&
     object->m_generating_function = generating_function;
     object->m_frame = move(frame);
     object->m_previous_value = initial_value;
-    return NonnullGCPtr { *object };
+    return object;
 }
 
 GeneratorObject::GeneratorObject(Realm&, Object& prototype, ExecutionContext context)