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/@smithy/querystring-builder/dist-cjs/index.js

@@ -0,0 +1,26 @@
+'use strict';
+
+var utilUriEscape = require('@smithy/util-uri-escape');
+
+function buildQueryString(query) {
+    const parts = [];
+    for (let key of Object.keys(query).sort()) {
+        const value = query[key];
+        key = utilUriEscape.escapeUri(key);
+        if (Array.isArray(value)) {
+            for (let i = 0, iLen = value.length; i < iLen; i++) {
+                parts.push(`${key}=${utilUriEscape.escapeUri(value[i])}`);
+            }
+        }
+        else {
+            let qsEntry = key;
+            if (value || typeof value === "string") {
+                qsEntry += `=${utilUriEscape.escapeUri(value)}`;
+            }
+            parts.push(qsEntry);
+        }
+    }
+    return parts.join("&");
+}
+
+exports.buildQueryString = buildQueryString;