Merge pull request #1111 from zkwolf/fix-tree-select-dataRef-undefined

fix: treeNode dataRef is undefined

components/tree-select/index.jsx

@@ -134,7 +134,8 @@ const TreeSelect = {
 
     const clearIcon = <Icon type="close-circle" class={`${prefixCls}-clear-icon`} theme="filled" />;
     const VcTreeSelectProps = {
-      props: {
+      props: Object.assign(
+        {
           switcherIcon: nodeProps => this.renderSwitcherIcon(prefixCls, nodeProps),
           inputIcon,
           removeIcon,
@@ -148,6 +149,8 @@ const TreeSelect = {
           notFoundContent: notFoundContent || renderEmpty(h, 'Select'),
           __propsSymbol__: Symbol(),
         },
+        treeData ? { treeData } : {},
+      ),
       class: cls,
       on: { ...this.$listeners, change: this.onChange },
       ref: 'vcTreeSelect',