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/signature-v4/dist-es/moveHeadersToQuery.js

@@ -0,0 +1,17 @@
+import { HttpRequest } from "@smithy/protocol-http";
+export const moveHeadersToQuery = (request, options = {}) => {
+    const { headers, query = {} } = HttpRequest.clone(request);
+    for (const name of Object.keys(headers)) {
+        const lname = name.toLowerCase();
+        if ((lname.slice(0, 6) === "x-amz-" && !options.unhoistableHeaders?.has(lname)) ||
+            options.hoistableHeaders?.has(lname)) {
+            query[name] = headers[name];
+            delete headers[name];
+        }
+    }
+    return {
+        ...request,
+        headers,
+        query,
+    };
+};