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/validator/lib/util/checkHost.js

@@ -0,0 +1,20 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = checkHost;
+function isRegExp(obj) {
+  return Object.prototype.toString.call(obj) === '[object RegExp]';
+}
+function checkHost(host, matches) {
+  for (var i = 0; i < matches.length; i++) {
+    var match = matches[i];
+    if (host === match || isRegExp(match) && match.test(host)) {
+      return true;
+    }
+  }
+  return false;
+}
+module.exports = exports.default;
+module.exports.default = exports.default;