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/remoteProvider/retry.js

@@ -0,0 +1,7 @@
+export const retry = (toRetry, maxRetries) => {
+    let promise = toRetry();
+    for (let i = 0; i < maxRetries; i++) {
+        promise = promise.catch(toRetry);
+    }
+    return promise;
+};