Update methods to be internal, remove invocation bloat

Assets/Scripts/Sound/LevelAudioObject.cs

@@ -26,7 +26,7 @@ public class LevelAudioObject : ManagedBehaviour
 
     public override bool AutoRegisterForSave => isOneTime; // Only save if one-time audio
     
-    protected override string OnSceneSaveRequested()
+    internal override string OnSceneSaveRequested()
     {
         if (!isOneTime)
             return null; // No need to save if not one-time
@@ -39,7 +39,7 @@ public class LevelAudioObject : ManagedBehaviour
         return JsonUtility.ToJson(saveData);
     }
 
-    protected override void OnSceneRestoreRequested(string serializedData)
+    internal override void OnSceneRestoreRequested(string serializedData)
     {
         if (!isOneTime || string.IsNullOrEmpty(serializedData))
             return;
@@ -55,7 +55,7 @@ public class LevelAudioObject : ManagedBehaviour
         }
     }
 
-    protected override void OnSceneRestoreCompleted()
+    internal override void OnSceneRestoreCompleted()
     {
         if (isOneTime && !_hasPlayed)
         {