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/events-universal/package.json

@@ -0,0 +1,39 @@
+{
+  "name": "events-universal",
+  "version": "1.0.1",
+  "description": "Universal wrapper for the Node.js events module",
+  "exports": {
+    "./package": "./package.json",
+    ".": {
+      "bare": "./bare.js",
+      "react-native": "./react-native.js",
+      "default": "./default.js"
+    }
+  },
+  "files": [
+    "index.js",
+    "default.js",
+    "bare.js",
+    "react-native.js"
+  ],
+  "scripts": {
+    "test": "prettier . --check"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/holepunchto/events-universal.git"
+  },
+  "author": "Holepunch",
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/holepunchto/events-universal/issues"
+  },
+  "homepage": "https://github.com/holepunchto/events-universal#readme",
+  "dependencies": {
+    "bare-events": "^2.7.0"
+  },
+  "devDependencies": {
+    "prettier": "^3.4.2",
+    "prettier-config-holepunch": "^1.0.0"
+  }
+}