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/getCanonicalQuery.js

@@ -0,0 +1,29 @@
+import { escapeUri } from "@smithy/util-uri-escape";
+import { SIGNATURE_HEADER } from "./constants";
+export const getCanonicalQuery = ({ query = {} }) => {
+    const keys = [];
+    const serialized = {};
+    for (const key of Object.keys(query)) {
+        if (key.toLowerCase() === SIGNATURE_HEADER) {
+            continue;
+        }
+        const encodedKey = escapeUri(key);
+        keys.push(encodedKey);
+        const value = query[key];
+        if (typeof value === "string") {
+            serialized[encodedKey] = `${encodedKey}=${escapeUri(value)}`;
+        }
+        else if (Array.isArray(value)) {
+            serialized[encodedKey] = value
+                .slice(0)
+                .reduce((encoded, value) => encoded.concat([`${encodedKey}=${escapeUri(value)}`]), [])
+                .sort()
+                .join("&");
+        }
+    }
+    return keys
+        .sort()
+        .map((key) => serialized[key])
+        .filter((serialized) => serialized)
+        .join("&");
+};