Merge pull request #140 from Unity-Technologies/minor_fix_labelconfig_editor

Minor fix to label config editor: Make sure serialized object is updated on scheduled model check

com.unity.perception/Editor/GroundTruth/LabelConfigEditor.cs

 
         void CheckForModelChanges()
         {
+            serializedObject.Update();
             if (ChangesHappeningInForeground)
             {
                 ChangesHappeningInForeground = false;