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-items/sanitization.js

@@ -0,0 +1,34 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Sanitization = void 0;
+const utils_1 = require("../utils");
+class Sanitization {
+    constructor(sanitizer, custom, options = [], 
+    // For testing only.
+    // Deliberately not calling it `toString` in order to not override `Object.prototype.toString`.
+    stringify = utils_1.toString) {
+        this.sanitizer = sanitizer;
+        this.custom = custom;
+        this.options = options;
+        this.stringify = stringify;
+    }
+    async run(context, value, meta) {
+        const { path, location } = meta;
+        const runCustomSanitizer = async () => {
+            const sanitizerValue = this.sanitizer(value, meta);
+            return Promise.resolve(sanitizerValue);
+        };
+        if (this.custom) {
+            const newValue = await runCustomSanitizer();
+            context.setData(path, newValue, location);
+            return;
+        }
+        const values = Array.isArray(value) ? value : [value];
+        const newValues = values.map(value => {
+            return this.sanitizer(this.stringify(value), ...this.options);
+        });
+        // We get only the first value of the array if the original value was wrapped.
+        context.setData(path, values !== value ? newValues[0] : newValues, location);
+    }
+}
+exports.Sanitization = Sanitization;