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/util-endpoints/dist-es/aws.js

@@ -0,0 +1,10 @@
+import { customEndpointFunctions } from "@smithy/util-endpoints";
+import { isVirtualHostableS3Bucket } from "./lib/aws/isVirtualHostableS3Bucket";
+import { parseArn } from "./lib/aws/parseArn";
+import { partition } from "./lib/aws/partition";
+export const awsEndpointFunctions = {
+    isVirtualHostableS3Bucket: isVirtualHostableS3Bucket,
+    parseArn: parseArn,
+    partition: partition,
+};
+customEndpointFunctions.aws = awsEndpointFunctions;