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/@smithy/node-http-handler/README.md

@@ -0,0 +1,9 @@
+# @smithy/node-http-handler
+
+[![NPM version](https://img.shields.io/npm/v/@smithy/node-http-handler/latest.svg)](https://www.npmjs.com/package/@smithy/node-http-handler)
+[![NPM downloads](https://img.shields.io/npm/dm/@smithy/node-http-handler.svg)](https://www.npmjs.com/package/@smithy/node-http-handler)
+
+This package implements the default `requestHandler` for Node.js using `node:http`, `node:https`, and `node:http2`.
+
+For an example on how `requestHandler`s are used by Smithy generated SDK clients, refer to
+the [AWS SDK for JavaScript (v3) supplemental docs](https://github.com/aws/aws-sdk-js-v3/blob/main/supplemental-docs/CLIENTS.md#request-handler-requesthandler).