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/process-nextick-args/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "process-nextick-args",
+  "version": "2.0.1",
+  "description": "process.nextTick but always with args",
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "test": "node test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/calvinmetcalf/process-nextick-args.git"
+  },
+  "author": "",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/calvinmetcalf/process-nextick-args/issues"
+  },
+  "homepage": "https://github.com/calvinmetcalf/process-nextick-args",
+  "devDependencies": {
+    "tap": "~0.2.6"
+  }
+}