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/github-from-package/example/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "beep-boop",
+  "version": "1.2.3",
+  "repository" : {
+    "type" : "git",
+    "url": "git@github.com:substack/beep-boop.git"
+  }
+}