Data Model: provide size when deallocating a Stack

Author: ktf

DataFormats/Headers/include/Headers/Stack.h

@@ -39,7 +39,7 @@ struct Stack {
   struct freeobj {
     freeobj(memory_resource* mr) : resource(mr) {}
     memory_resource* resource{nullptr};
-    void operator()(std::byte* ptr) { resource->deallocate(ptr, 0, alignof(std::max_align_t)); }
+    void operator()(std::byte* ptr) { resource->deallocate(ptr, headerStackSize(ptr), alignof(std::max_align_t)); }
   };
 
  public: