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/credential-provider-http/dist-es/fromHttp/retry-wrapper.js

@@ -0,0 +1,13 @@
+export const retryWrapper = (toRetry, maxRetries, delayMs) => {
+    return async () => {
+        for (let i = 0; i < maxRetries; ++i) {
+            try {
+                return await toRetry();
+            }
+            catch (e) {
+                await new Promise((resolve) => setTimeout(resolve, delayMs));
+            }
+        }
+        return await toRetry();
+    };
+};