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/shared-ini-file-loader/dist-es/getSSOTokenFromFile.js

@@ -0,0 +1,11 @@
+import { readFile } from "fs/promises";
+import { getSSOTokenFilepath } from "./getSSOTokenFilepath";
+export const tokenIntercept = {};
+export const getSSOTokenFromFile = async (id) => {
+    if (tokenIntercept[id]) {
+        return tokenIntercept[id];
+    }
+    const ssoTokenFilepath = getSSOTokenFilepath(id);
+    const ssoTokenText = await readFile(ssoTokenFilepath, "utf8");
+    return JSON.parse(ssoTokenText);
+};