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/decompress-response/index.d.ts

@@ -0,0 +1,22 @@
+/// <reference types="node"/>
+import {IncomingMessage} from 'http';
+
+/**
+Decompress a HTTP response if needed.
+
+@param response - The HTTP incoming stream with compressed data.
+@returns The decompressed HTTP response stream.
+
+@example
+```
+import {http} from 'http';
+import decompressResponse = require('decompress-response');
+
+http.get('https://sindresorhus.com', response => {
+	response = decompressResponse(response);
+});
+```
+*/
+declare function decompressResponse(response: IncomingMessage): IncomingMessage;
+
+export = decompressResponse;