feat(SDK & Editor): 为3D Tiles添加侧边配置栏

packages/sdk/lib/utils/scene/index.ts

@@ -104,6 +104,13 @@ export function isHtmlPanelObject(object:Object3D | null){
     return object && (object.isHtmlPanel || object.isHtmlSprite) && object.element;
 }
 
+/**
+ * 判断是否是3DTiles对象
+ */
+export function is3DTilesObject(object:Object3D | null){
+    return object && (object.isTilesGroup || object.type === "TilesGroup") && object.options;
+}
+
 /**
  * 获取场景/物体中的所有动画
  */