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/lodash/unescape.js

@@ -0,0 +1,34 @@
+var toString = require('./toString'),
+    unescapeHtmlChar = require('./_unescapeHtmlChar');
+
+/** Used to match HTML entities and HTML characters. */
+var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
+    reHasEscapedHtml = RegExp(reEscapedHtml.source);
+
+/**
+ * The inverse of `_.escape`; this method converts the HTML entities
+ * `&`, `<`, `>`, `"`, and `'` in `string` to
+ * their corresponding characters.
+ *
+ * **Note:** No other HTML entities are unescaped. To unescape additional
+ * HTML entities use a third-party library like [_he_](https://mths.be/he).
+ *
+ * @static
+ * @memberOf _
+ * @since 0.6.0
+ * @category String
+ * @param {string} [string=''] The string to unescape.
+ * @returns {string} Returns the unescaped string.
+ * @example
+ *
+ * _.unescape('fred, barney, & pebbles');
+ * // => 'fred, barney, & pebbles'
+ */
+function unescape(string) {
+  string = toString(string);
+  return (string && reHasEscapedHtml.test(string))
+    ? string.replace(reEscapedHtml, unescapeHtmlChar)
+    : string;
+}
+
+module.exports = unescape;