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/chain/context-handler-impl.js

@@ -0,0 +1,52 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ContextHandlerImpl = void 0;
+const context_items_1 = require("../context-items");
+const bail_1 = require("../context-items/bail");
+class ContextHandlerImpl {
+    constructor(builder, chain) {
+        this.builder = builder;
+        this.chain = chain;
+    }
+    bail(opts) {
+        if (opts?.level === 'request') {
+            this.builder.setRequestBail();
+        }
+        this.builder.addItem(new bail_1.Bail());
+        return this.chain;
+    }
+    if(condition) {
+        if ('run' in condition) {
+            this.builder.addItem(new context_items_1.ChainCondition(condition));
+        }
+        else if (typeof condition === 'function') {
+            this.builder.addItem(new context_items_1.CustomCondition(condition));
+        }
+        else {
+            throw new Error('express-validator: condition is not a validation chain nor a function');
+        }
+        return this.chain;
+    }
+    optional(options = true) {
+        let value;
+        if (typeof options === 'boolean') {
+            value = options ? 'undefined' : false;
+        }
+        else {
+            value = options.values
+                ? options.values
+                : options.checkFalsy
+                    ? 'falsy'
+                    : options.nullable
+                        ? 'null'
+                        : 'undefined';
+        }
+        this.builder.setOptional(value);
+        return this.chain;
+    }
+    hide(hiddenValue) {
+        this.builder.setHidden(true, hiddenValue);
+        return this.chain;
+    }
+}
+exports.ContextHandlerImpl = ContextHandlerImpl;