[RPW] Rely on the type object instead of type name

https://jira.unity3d.com/browse/UUM-68021

`Type.name` was used which accidentally instantiate HDRP Volume component of the same name. As both of them are Scriptable Object it was produced an exception when use it and not when it instantiates.

Author: kirill-titov-u

Packages/com.unity.render-pipelines.universal/Editor/ScriptableRendererDataEditor.cs

@@ -235,12 +235,12 @@ private void AddShowAdditionalPropertiesMenuItem(FullScreenPassRendererFeature f
             menu.AddItem(EditorGUIUtility.TrTextContent("Show Additional Properties"), fullScreenFeature.showAdditionalProperties, () => fullScreenFeature.showAdditionalProperties = !fullScreenFeature.showAdditionalProperties);
         }
 
-        internal void AddComponent(string type)
+        internal void AddComponent(Type type)
         {
             serializedObject.Update();
 
-            ScriptableObject component = CreateInstance((string)type);
-            component.name = $"{(string)type}";
+            ScriptableObject component = CreateInstance(type);
+            component.name = $"{type.Name}";
             Undo.RegisterCreatedObjectUndo(component, "Add Renderer Feature");
 
             // Store this new effect as a sub-asset so we can reference it safely afterwards

Packages/com.unity.render-pipelines.universal/Editor/ScriptableRendererFeatureProvider.cs

@@ -68,7 +68,7 @@ public bool GoToChild(FilterWindow.Element element, bool addIfComponent)
         {
             if (element is FeatureElement featureElement)
             {
-                m_Editor.AddComponent(featureElement.type.Name);
+                m_Editor.AddComponent(featureElement.type);
                 return true;
             }