chore: minor meta file fixes

Author: stan-osipov

com.stansassets.plugins-dev-kit/Editor/Art/Icons/Generic/sample_dark.png.meta

@@ -13,7 +13,7 @@ public class IMGUISampleSceneUrl : IMGUIHyperLabel
 
         public IMGUISampleSceneUrl(string title, string scenePath)
             : base(new GUIContent(
-                    title,
+        $" {title}",
                     PluginsEditorSkin.GetGenericIcon((EditorGUIUtility.isProSkin)? "sample_dark.png" : "sample_light.png")
                 ),
                 SettingsWindowStyles.DescriptionLabelStyle)

com.stansassets.plugins-dev-kit/Editor/Art/Icons/Generic/sample_light.png.meta

@@ -23,7 +23,7 @@ protected BaseTab(string path)
         /// <summary>
         /// Tab root.
         /// </summary>
-        public VisualElement Root => this;
+        protected VisualElement Root => this;
     }
 }
 #endif