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/@aws-sdk/token-providers/dist-es/nodeProvider.js

@@ -0,0 +1,5 @@
+import { chain, memoize, TokenProviderError } from "@smithy/property-provider";
+import { fromSso } from "./fromSso";
+export const nodeProvider = (init = {}) => memoize(chain(fromSso(init), async () => {
+    throw new TokenProviderError("Could not load token from any providers", false);
+}), (token) => token.expiration !== undefined && token.expiration.getTime() - Date.now() < 300000, (token) => token.expiration !== undefined);