Add content deprecation upgrades support to prefabs and scenes when loading levels

Source/Engine/Level/Scene/Scene.cpp

@@ -5,6 +5,7 @@
 #include "Engine/Level/Level.h"
 #include "Engine/Content/AssetInfo.h"
 #include "Engine/Content/Content.h"
+#include "Engine/Content/Deprecated.h"
 #include "Engine/Content/Factories/JsonAssetFactory.h"
 #include "Engine/Physics/Colliders/MeshCollider.h"
 #include "Engine/Level/Actors/StaticModel.h"
@@ -306,6 +307,7 @@ void Scene::Deserialize(DeserializeStream& stream, ISerializeModifier* modifier)
         if (e != stream.MemberEnd())
         {
             // Upgrade from old single hidden navmesh data into NavMesh actors on a scene
+            MARK_CONTENT_DEPRECATED();
             AssetReference<RawDataAsset> dataAsset;
             Serialization::Deserialize(e->value, dataAsset, modifier);
             const auto settings = NavigationSettings::Get();