Ensure default value for fileKeySort

Author: yann300

libs/remix-ui/workspace/src/lib/utils/index.ts

@@ -125,6 +125,7 @@ export const contextMenuActions: MenuItems = [{
 }]
 
 export const fileKeySort = (fileTree: any) => {
+  fileTree = fileTree || {}
   const directories = Object.keys(fileTree).filter((key: string) => !key.includes('....blank') && fileTree[key].isDirectory)
 
   directories.sort((a: string, b: string) => a.toLowerCase().localeCompare(b.toLowerCase()))