Moved PrefabSavePreference settings registry code from PrefabEditorEntityOwnershipInterface to PrefabLoaderInterface

Signed-off-by: srikappa-amzn <srikappa@amazon.com>

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabLoader.cpp

@@ -25,6 +25,19 @@ namespace AzToolsFramework
 {
     namespace Prefab
     {
+        static constexpr const char s_savePrefabsKey[] = "/O3DE/Preferences/SavePrefabs";
+
+        void PrefabLoader::Reflect(AZ::ReflectContext* context)
+        {
+            if (auto* serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+            {
+                serializeContext->Enum<SavePrefabsPreference>()
+                    ->Value("Unspecified", SavePrefabsPreference::Unspecified)
+                    ->Value("SaveAll", SavePrefabsPreference::SaveAll)
+                    ->Value("SaveNone", SavePrefabsPreference::SaveNone);
+            }
+        }
+
         void PrefabLoader::RegisterPrefabLoaderInterface()
         {
             m_prefabSystemComponentInterface = AZ::Interface<PrefabSystemComponentInterface>::Get();
@@ -656,6 +669,24 @@ namespace AzToolsFramework
             return finalPath;
         }
 
+        SavePrefabsPreference PrefabLoader::GetSavePrefabsPreference()
+        {
+            SavePrefabsPreference savePrefabsPreference = SavePrefabsPreference::Unspecified;
+            if (auto* registry = AZ::SettingsRegistry::Get())
+            {
+                registry->GetObject(savePrefabsPreference, s_savePrefabsKey);
+            }
+            return static_cast<SavePrefabsPreference>(savePrefabsPreference);
+        }
+
+        void PrefabLoader::SetSavePrefabsPreference(SavePrefabsPreference savePrefabsPreference)
+        {
+            if (auto* registry = AZ::SettingsRegistry::Get())
+            {
+                registry->SetObject(s_savePrefabsKey, savePrefabsPreference);
+            }
+        }
+
         AZ::IO::Path PrefabLoaderInterface::GeneratePath()
         {
             return AZStd::string::format("Prefab_%s", AZ::Entity::MakeId().ToString().c_str());

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabLoader.h

@@ -39,6 +39,8 @@ namespace AzToolsFramework
             AZ_CLASS_ALLOCATOR(PrefabLoader, AZ::SystemAllocator, 0);
             AZ_RTTI(PrefabLoader, "{A302B072-4DC4-4B7E-9188-226F56A3429C8}", PrefabLoaderInterface);
 
+            static void Reflect(AZ::ReflectContext* context);
+
             //////////////////////////////////////////////////////////////////////////
             // PrefabLoaderInterface interface implementation
 
@@ -108,6 +110,9 @@ namespace AzToolsFramework
             //! Returns if the path is a valid path for a prefab
             static bool IsValidPrefabPath(AZ::IO::PathView path);
 
+            SavePrefabsPreference GetSavePrefabsPreference() override;
+            void SetSavePrefabsPreference(SavePrefabsPreference savePrefabsPreference) override;
+
         private:
             /**
              * Copies the template dom provided and manipulates it into the proper format to be saved to disk.

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabLoaderInterface.h

@@ -17,6 +17,13 @@ namespace AzToolsFramework
 {
     namespace Prefab
     {
+        enum class SavePrefabsPreference : AZ::u8
+        {
+            Unspecified = 0,
+            SaveAll = 1,
+            SaveNone = 2
+        };
+
         /*!
          * PrefabLoaderInterface
          * Interface for saving/loading Prefab files.
@@ -84,6 +91,9 @@ namespace AzToolsFramework
             //! The path will always use the '/' separator.
             virtual AZ::IO::Path GenerateRelativePath(AZ::IO::PathView path) = 0;
 
+            virtual SavePrefabsPreference GetSavePrefabsPreference() = 0;
+            virtual void SetSavePrefabsPreference(SavePrefabsPreference savePrefabsPreference) = 0;
+
         protected:
 
             // Generates a new path
@@ -93,3 +103,8 @@ namespace AzToolsFramework
     } // namespace Prefab
 } // namespace AzToolsFramework
 
+namespace AZ
+{
+    AZ_TYPE_INFO_SPECIALIZE(AzToolsFramework::Prefab::SavePrefabsPreference, "{7E61EA82-4DE4-4A3F-945F-C8FEDC1114B5}");
+}
+

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabSystemComponent.cpp

@@ -57,6 +57,7 @@ namespace AzToolsFramework
             AzToolsFramework::Prefab::PrefabConversionUtils::PrefabCatchmentProcessor::Reflect(context);
             AzToolsFramework::Prefab::PrefabConversionUtils::EditorInfoRemover::Reflect(context);
             PrefabPublicRequestHandler::Reflect(context);
+            PrefabLoader::Reflect(context);
 
             AZ::SerializeContext* serialize = azrtti_cast<AZ::SerializeContext*>(context);
             if (serialize)