perf: 易支付支持固定支付方式，适合没有收银台版本使用

packages/ui/certd-client/src/utils/util.tree.ts

@@ -7,6 +7,17 @@ export function eachTree(tree: any[], callback: (item: any) => void) {
   });
 }
 
+export function treeMap(tree: any[], mapFunc: (item: any) => {}) {
+  return tree.map((item: any) => {
+    const newItem: any = mapFunc(item);
+    if (item.children) {
+      newItem.children = treeMap(item.children, mapFunc);
+    }
+    return newItem;
+  });
+}
+
 export const treeUtils = {
-  eachTree
+  eachTree,
+  treeMap
 };