Add support to Unity 2021.2

Author: joaoborks

Editor/ScriptTemplatesEditor.cs

@@ -109,9 +109,17 @@ void DrawTemplateView()
             };
             listView.bindItem = (element, i) => (element as ObjectField).SetValueWithoutNotify(templates[i]);
             listView.itemsSource = templates;
+#if UNITY_2021_2_OR_NEWER
+            listView.fixedItemHeight = 20;
+#else
             listView.itemHeight = 20;
+#endif
             listView.selectionType = SelectionType.Single;
+#if UNITY_2021_2_OR_NEWER
+            listView.onSelectionChange += selection => Selection.activeObject = (Object)selection.FirstOrDefault();
+#else
             listView.onSelectionChanged += selection => Selection.activeObject = (Object)selection.FirstOrDefault();
+#endif
 
             var projectButton = rootVisualElement.Q<Button>("copy-project-button");
             projectButton.clicked += () =>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.myunitytools.scripttemplate",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "displayName": "My Unity Tools - Script Templates",
   "description": "This tool adds custom Script Templates to Unity that will serve as alternatives for the default \"C#Script\" that I personally always modify before writing my scripts.\nIn essence, it adds a signature header on every script with your name, email and creation date. \nAdditionally, it adds templates for others types of scripts rather than just Mono Behaviours.",
   "unity": "2019.4",