fix: added a workaround for huge icons in the advanced dropdown for anything below 2021

Author: Thundernerd

Editor/Utilities/IconUtility.cs

@@ -5,6 +5,7 @@ namespace TNRD
 {
     internal static class IconUtility
     {
+#if UNITY_2021_1_OR_NEWER
         private static Texture2D folderIcon;
 
         public static Texture2D FolderIcon
@@ -54,5 +55,34 @@ public static Texture2D GetIconForObject(Object obj)
         {
             return EditorGUIUtility.GetIconForObject(obj);
         }
+#else
+        // "Fix" for 2020 as the icons are 256x256 in size and the AdvancedDropDown fills the space as much as it can
+        public static Texture2D FolderIcon => null;
+
+        private static Texture2D scriptIcon;
+
+        public static Texture2D ScriptIcon
+        {
+            get
+            {
+                if (scriptIcon == null)
+                    scriptIcon = (Texture2D)EditorGUIUtility.IconContent("cs Script Icon").image;
+
+                return scriptIcon;
+            }
+        }
+
+        public static Texture2D GameObjectIcon => null;
+
+        public static Texture2D GetIconForObject(string path)
+        {
+            return null;
+        }
+
+        public static Texture2D GetIconForObject(Object obj)
+        {
+            return null;
+        }
+#endif
     }
 }