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-user-agent-node/dist-es/nodeAppIdConfigOptions.js

@@ -0,0 +1,9 @@
+import { DEFAULT_UA_APP_ID } from "@aws-sdk/middleware-user-agent";
+export const UA_APP_ID_ENV_NAME = "AWS_SDK_UA_APP_ID";
+export const UA_APP_ID_INI_NAME = "sdk_ua_app_id";
+const UA_APP_ID_INI_NAME_DEPRECATED = "sdk-ua-app-id";
+export const NODE_APP_ID_CONFIG_OPTIONS = {
+    environmentVariableSelector: (env) => env[UA_APP_ID_ENV_NAME],
+    configFileSelector: (profile) => profile[UA_APP_ID_INI_NAME] ?? profile[UA_APP_ID_INI_NAME_DEPRECATED],
+    default: DEFAULT_UA_APP_ID,
+};