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/es/lib/isFloat.js

@@ -0,0 +1,14 @@
+import assertString from './util/assertString';
+import isNullOrUndefined from './util/nullUndefinedCheck';
+import { decimal } from './alpha';
+export default function isFloat(str, options) {
+  assertString(str);
+  options = options || {};
+  var _float = new RegExp("^(?:[-+])?(?:[0-9]+)?(?:\\".concat(options.locale ? decimal[options.locale] : '.', "[0-9]*)?(?:[eE][\\+\\-]?(?:[0-9]+))?$"));
+  if (str === '' || str === '.' || str === ',' || str === '-' || str === '+') {
+    return false;
+  }
+  var value = parseFloat(str.replace(',', '.'));
+  return _float.test(str) && (!options.hasOwnProperty('min') || isNullOrUndefined(options.min) || value >= options.min) && (!options.hasOwnProperty('max') || isNullOrUndefined(options.max) || value <= options.max) && (!options.hasOwnProperty('lt') || isNullOrUndefined(options.lt) || value < options.lt) && (!options.hasOwnProperty('gt') || isNullOrUndefined(options.gt) || value > options.gt);
+}
+export var locales = Object.keys(decimal);