fix: tree custom icon auguments error #223

Author: tangjinzhou

Diff for: components/tree/DirectoryTree.jsx

@@ -19,7 +19,7 @@ import { initDefaultProps, getOptionProps } from '../_util/props-util'
 //   selectedKeys?: string[];
 // }
 
-function getIcon (h, props) {
+function getIcon (props, h) {
   const { isLeaf, expanded } = props
   if (isLeaf) {
     return <Icon type='file' />

Diff for: components/vc-tree/src/TreeNode.jsx

@@ -358,7 +358,7 @@ const TreeNode = {
             )}
           >
             {typeof currentIcon === 'function'
-              ? currentIcon(h, { ...this.$props }) : currentIcon}
+              ? currentIcon({ ...this.$props }, h) : currentIcon}
           </span>
         ) : this.renderIcon()
       } else if (loadData && loading) {