fix: selected root transforms should always be exported, even if disa…

…bled

UnityGLTF/Assets/UnityGLTF/Runtime/Scripts/GLTFSceneExporter.cs

@@ -686,7 +686,7 @@ private SceneId ExportScene(string name, Transform[] rootObjTransforms)
 			scene.Nodes = new List<NodeId>(rootObjTransforms.Length);
 			foreach (var transform in rootObjTransforms)
 			{
-				if(!ShouldExportTransform(transform)) continue;
+				// if(!ShouldExportTransform(transform)) continue;
 				scene.Nodes.Add(ExportNode(transform));
 			}