Merge pull request #16 from mackysoft/fix/repaint-immediately

`serializedObject.Update()` is now called when an item is selected

Author: mackysoft

Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Editor/SubclassSelectorDrawer.cs

@@ -79,6 +79,7 @@ TypePopupCache GetTypePopup (SerializedProperty property) {
 					object obj = m_TargetProperty.SetManagedReference(type);
 					m_TargetProperty.isExpanded = (obj != null);
 					m_TargetProperty.serializedObject.ApplyModifiedProperties();
+					m_TargetProperty.serializedObject.Update();
 				};
 
 				result = new TypePopupCache(popup, state);