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/isBase32.js

@@ -0,0 +1,19 @@
+import assertString from './util/assertString';
+import merge from './util/merge';
+var base32 = /^[A-Z2-7]+=*$/;
+var crockfordBase32 = /^[A-HJKMNP-TV-Z0-9]+$/;
+var defaultBase32Options = {
+  crockford: false
+};
+export default function isBase32(str, options) {
+  assertString(str);
+  options = merge(options, defaultBase32Options);
+  if (options.crockford) {
+    return crockfordBase32.test(str);
+  }
+  var len = str.length;
+  if (len % 8 === 0 && base32.test(str)) {
+    return true;
+  }
+  return false;
+}