fix: 修复配额说明重复和undefined问题

- 在editStorageForm中初始化oss_storage_quota_value和oss_quota_unit
- 删除重复的旧配额说明块，保留新的当前配额设置显示

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/node_modules/express-validator/README.md

@@ -0,0 +1,33 @@
+# express-validator
+
+[![npm version](https://img.shields.io/npm/v/express-validator.svg)](https://www.npmjs.com/package/express-validator)
+[![Build status](https://github.com/express-validator/express-validator/actions/workflows/ci.yml/badge.svg)](https://github.com/express-validator/express-validator/actions/workflows/ci.yml)
+[![Coverage Status](https://img.shields.io/coveralls/express-validator/express-validator.svg)](https://coveralls.io/github/express-validator/express-validator?branch=master)
+
+An [express.js](https://github.com/visionmedia/express) middleware for
+[validator](https://github.com/validatorjs/validator.js).
+
+- [Installation](#installation)
+- [Documentation](#documentation)
+- [Changelog](#changelog)
+- [License](#license)
+
+## Installation
+
+```
+npm install express-validator
+```
+
+Also make sure that you have Node.js 14 or newer in order to use it.
+
+## Documentation
+
+Please refer to the documentation website on https://express-validator.github.io.
+
+## Changelog
+
+Check the [GitHub Releases page](https://github.com/express-validator/express-validator/releases).
+
+## License
+
+MIT License