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/@aws-sdk/credential-provider-http/dist-cjs/index.js

@@ -0,0 +1,5 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.fromHttp = void 0;
+var fromHttp_1 = require("./fromHttp/fromHttp");
+Object.defineProperty(exports, "fromHttp", { enumerable: true, get: function () { return fromHttp_1.fromHttp; } });