When using ProceduralFoliageVolume, ActorFoliage can be used even if World Partition is enabled in UE5.0

	UnrealEditor-Foliage-Win64-Debug.dll!AInstancedFoliageActor::AddFoliageType(const UFoliageType * InType, FFoliageInfo * * OutInfo) Line 3575	C++
 	UnrealEditor-FoliageEdit-Win64-Debug.dll!FEdModeFoliage::AddInstancesImp(UWorld * InWorld, const UFoliageType * Settings, const TArray<FDesiredFoliageInstance,TSizedDefaultAllocator<32>> & DesiredInstances, const TArray<int,TSizedDefaultAllocator<32>> & ExistingInstanceBuckets, const float Pressure, TMap<FName,TMap<ULandscapeComponent *,TArray<unsigned char,TSizedDefaultAllocator<32>>,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<ULandscapeComponent *,TArray<unsigned char,TSizedDefaultAllocator<32>>,0>>,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<FName,TMap<ULandscapeComponent *,TArray<unsigned char,TSizedDefaultAllocator<32>>,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<ULandscapeComponent *,TArray<unsigned char,TSizedDefaultAllocator<32>>,0>>,0>> * LandscapeLayerCachesPtr, const FFoliageUISettings * UISettings, const FFoliagePaintingGeometryFilter * OverrideGeometryFilter, bool InRebuildFoliageTree) Line 1464	C++
 	UnrealEditor-FoliageEdit-Win64-Debug.dll!FEdModeFoliage::AddInstances(UWorld * InWorld, const TArray<FDesiredFoliageInstance,TSizedDefaultAllocator<32>> & DesiredInstances, const FFoliagePaintingGeometryFilter & OverrideGeometryFilter, bool InRebuildFoliageTree) Line 1349	C++
 	UnrealEditor-FoliageEdit-Win64-Debug.dll!UProceduralFoliageEditorLibrary::ResimulateProceduralFoliageComponents::__l7::<lambda>(const TArray<FDesiredFoliageInstance,TSizedDefaultAllocator<32>> & DesiredFoliageInstances) Line 67	C++
 	UnrealEditor-FoliageEdit-Win64-Debug.dll!UE::Core::Private::Function::TFunctionRefCaller<void <lambda>(const TArray<FDesiredFoliageInstance,TSizedDefaultAllocator<32>> &),void __cdecl(TArray<FDesiredFoliageInstance,TSizedDefaultAllocator<32>> const &)>::Call(void * Obj, const TArray<FDesiredFoliageInstance,TSizedDefaultAllocator<32>> & <Params_0>) Line 549	C++
 	UnrealEditor-Foliage-Win64-Debug.dll!UProceduralFoliageComponent::ResimulateProceduralFoliage(TFunctionRef<void __cdecl(TArray<FDesiredFoliageInstance,TSizedDefaultAllocator<32>> const &)> AddInstancesFunc) Line 311	C++
 	UnrealEditor-FoliageEdit-Win64-Debug.dll!UProceduralFoliageEditorLibrary::ResimulateProceduralFoliageComponents(const TArray<UProceduralFoliageComponent *,TSizedDefaultAllocator<32>> & ProceduralFoliageComponents) Line 58	C++
 	UnrealEditor-FoliageEdit-Win64-Debug.dll!FProceduralFoliageComponentDetails::OnResimulateClicked() Line 107	C++
 	UnrealEditor-FoliageEdit-Win64-Debug.dll!UE::Core::Private::Tuple::TTupleBase<TIntegerSequence<unsigned int>>::ApplyAfter<FReply (__cdecl FProceduralFoliageComponentDetails::*const &)(void),FProceduralFoliageComponentDetails * &>(FReply(FProceduralFoliageComponentDetails::*)() & Func, FProceduralFoliageComponentDetails * & <Args_0>) Line 324	C++
 	UnrealEditor-FoliageEdit-Win64-Debug.dll!TBaseSPMethodDelegateInstance<0,FProceduralFoliageComponentDetails,1,FReply __cdecl(void),FDefaultDelegateUserPolicy>::Execute() Line 290	C++
 	UnrealEditor-Slate-Win64-Debug.dll!SButton::ExecuteOnClick() Line 464	C++

EActiveTimerReturnType SFoliagePalette::UpdatePaletteItems(double InCurrentTime, float InDeltaTime)
{
	if (bItemsNeedRebuild)
	{
		bItemsNeedRebuild = false;		// Cache the currently selected items
		auto ActiveViewWidget = GetActiveViewWidget();
		TArray<FFoliagePaletteItemModelPtr> PreviouslySelectedItems = ActiveViewWidget->GetSelectedItems();
		ActiveViewWidget->ClearSelection();		// Rebuild the list of palette items
		const auto& AllTypesList = FoliageEditMode->GetFoliageMeshList();
		PaletteItems.Empty(AllTypesList.Num());
		for (const FFoliageMeshUIInfoPtr& TypeInfo : AllTypesList)
		{
			PaletteItems.Add(MakeShareable(new FFoliagePaletteItemModel(TypeInfo, SharedThis(this), ThumbnailPool, FoliageEditMode)));
		}
...
}

TArray<FFoliageMeshUIInfoPtr>& FEdModeFoliage::GetFoliageMeshList()
{
	return FoliageMeshList;
}