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/bare-events/global.d.ts

@@ -0,0 +1,15 @@
+import * as events from './web'
+
+type EventConstructor = typeof events.Event
+type CustomEventConstructor = typeof events.CustomEvent
+type EventTargetConstructor = typeof events.EventTarget
+
+declare global {
+  type Event = events.Event
+  type CustomEvent<T = any> = events.CustomEvent<T>
+  type EventTarget = events.EventTarget
+
+  const Event: EventConstructor
+  const CustomEvent: CustomEventConstructor
+  const EventTarget: EventTargetConstructor
+}