Resolve Opus review code findings

upload/frontend/zip/list_zip_files.js

@@ -1,4 +1,5 @@
 // Построить дерево ZIP с файлами только разрешённых расширений.
+import { rebaseTree } from '../table/rebase_tree.js';
 
 function extensionAllowed(name, allowedExt) {
   const lowerName = name.toLowerCase();
@@ -20,13 +21,6 @@ function node(kind, name, path, children = [], file = null) {
   return { id: crypto.randomUUID(), kind, name, path, children, file, expanded: true };
 }
 
-function rebaseTree(root, prefix) {
-  root.path = `${prefix}/${root.path}`;
-  if (root.file) root.file = new File([root.file], root.path, { lastModified: root.file.lastModified });
-  root.children.forEach((child) => rebaseTree(child, prefix));
-  return root;
-}
-
 function addPath(root, parts, fileNode) {
   let current = root;
   parts.forEach((part, index) => {