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/smithy-client/dist-es/defaults-mode.js

@@ -0,0 +1,26 @@
+export const loadConfigsForDefaultMode = (mode) => {
+    switch (mode) {
+        case "standard":
+            return {
+                retryMode: "standard",
+                connectionTimeout: 3100,
+            };
+        case "in-region":
+            return {
+                retryMode: "standard",
+                connectionTimeout: 1100,
+            };
+        case "cross-region":
+            return {
+                retryMode: "standard",
+                connectionTimeout: 3100,
+            };
+        case "mobile":
+            return {
+                retryMode: "standard",
+                connectionTimeout: 30000,
+            };
+        default:
+            return {};
+    }
+};