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/middleware-sdk-s3/dist-es/index.js

@@ -0,0 +1,8 @@
+export * from "./check-content-length-header";
+export * from "./region-redirect-endpoint-middleware";
+export * from "./region-redirect-middleware";
+export * from "./s3-expires-middleware";
+export * from "./s3-express/index";
+export * from "./s3Configuration";
+export * from "./throw-200-exceptions";
+export * from "./validate-bucket-name";