Keep track of parameter override states in the manager (debug)

ScriptableRenderPipeline/Core/Volume/VolumeManager.cs

                 m_Components.Add(type, inst);
 
                 inst = (VolumeComponent)ScriptableObject.CreateInstance(type);
-                inst.SetAllOverridesTo(true);
                 m_ComponentsDefaultState.Add(inst);
             }
 
 
                 for (int i = 0; i < count; i++)
                 {
+                    var fromParam = target.parameters[i];
+
+                    // Keep track of the override state for debugging purpose
+                    fromParam.overrideState = toParam.overrideState;
+
-                    {
-                        var fromParam = target.parameters[i];
-                    }
                 }
             }
         }