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/express-validator/lib/context-builder.d.ts

@@ -0,0 +1,20 @@
+import { ContextItem } from './context-items';
+import { Context, Optional } from './context';
+import { Location } from './base';
+export declare class ContextBuilder {
+    private readonly stack;
+    private fields;
+    private locations;
+    private message;
+    private optional;
+    private requestBail;
+    private visibility;
+    setFields(fields: string[]): this;
+    setLocations(locations: Location[]): this;
+    setMessage(message: any): this;
+    addItem(...items: ContextItem[]): this;
+    setOptional(options: Optional): this;
+    setRequestBail(): this;
+    setHidden(hidden: boolean, hiddenValue?: string): this;
+    build(): Context;
+}