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/tunnel-agent/package.json

@@ -0,0 +1,22 @@
+{
+  "author": "Mikeal Rogers <mikeal.rogers@gmail.com> (http://www.futurealoof.com)",
+  "name": "tunnel-agent",
+  "license": "Apache-2.0",
+  "description": "HTTP proxy tunneling agent. Formerly part of mikeal/request, now a standalone module.",
+  "version": "0.6.0",
+  "repository": {
+    "url": "https://github.com/mikeal/tunnel-agent"
+  },
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "dependencies": {
+    "safe-buffer": "^5.0.1"
+  },
+  "devDependencies": {},
+  "optionalDependencies": {},
+  "engines": {
+    "node": "*"
+  }
+}