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/semver/functions/lt.js

@@ -0,0 +1,5 @@
+'use strict'
+
+const compare = require('./compare')
+const lt = (a, b, loose) => compare(a, b, loose) < 0
+module.exports = lt