added Randomizer tag UIElements editor

com.unity.perception/Editor/Randomization/Editors/RandomizerTagEditor.cs

+using UnityEditor;
+using UnityEditor.UIElements;
+using UnityEngine.Experimental.Perception.Randomization.Randomizers;
+using UnityEngine.UIElements;
+
+namespace UnityEngine.Experimental.Perception.Randomization.Editor
+{
+    [CustomEditor(typeof(RandomizerTag), true)]
+    public class RandomizerTagEditor : UnityEditor.Editor
+    {
+        public override VisualElement CreateInspectorGUI()
+        {
+            var rootElement = new VisualElement();
+            CreatePropertyFields(rootElement);
+            return rootElement;
+        }
+
+        void CreatePropertyFields(VisualElement rootElement)
+        {
+            var iterator = serializedObject.GetIterator();
+            iterator.NextVisible(true);
+            do
+            {
+                if (iterator.name == "m_Script")
+                    continue;
+                var propertyField = new PropertyField(iterator.Copy());
+                propertyField.Bind(serializedObject);
+                rootElement.Add(propertyField);
+            } while (iterator.NextVisible(false));
+        }
+    }
+}

com.unity.perception/Editor/Randomization/Editors/RandomizerTagEditor.cs.meta

+fileFormatVersion: 2
+guid: 364d57cb71da4535b77257c294c850f7
+timeCreated: 1611697363