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/credential-provider-imds/dist-es/config/Endpoint.js

@@ -0,0 +1,5 @@
+export var Endpoint;
+(function (Endpoint) {
+    Endpoint["IPv4"] = "http://169.254.169.254";
+    Endpoint["IPv6"] = "http://[fd00:ec2::254]";
+})(Endpoint || (Endpoint = {}));