Pipeline Resource as Serializable and out of EDITOR ifdef

ScriptableRenderPipeline/LightweightPipeline/Data/LightweightPipelineAsset.cs

         [SerializeField] private Shader m_DefaultShader;
         [SerializeField] private Shader m_BlitShader;
         [SerializeField] private Shader m_CopyDepthShader;
+        [SerializeField] private LightweightPipelineResource m_ResourceAsset;
-        private LightweightPipelineResource m_ResourceAsset;
 
         [MenuItem("Assets/Create/Render Pipeline/Lightweight/Pipeline Asset", priority = CoreUtils.assetCreateMenuPriority1)]
         static void CreateLightweightPipeline()