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/@smithy/util-stream/dist-cjs/checksum/createChecksumStream.js

@@ -0,0 +1,12 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createChecksumStream = createChecksumStream;
+const stream_type_check_1 = require("../stream-type-check");
+const ChecksumStream_1 = require("./ChecksumStream");
+const createChecksumStream_browser_1 = require("./createChecksumStream.browser");
+function createChecksumStream(init) {
+    if (typeof ReadableStream === "function" && (0, stream_type_check_1.isReadableStream)(init.source)) {
+        return (0, createChecksumStream_browser_1.createChecksumStream)(init);
+    }
+    return new ChecksumStream_1.ChecksumStream(init);
+}