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/smithy-client/dist-es/extensions/checksum.js

@@ -0,0 +1,30 @@
+import { AlgorithmId } from "@smithy/types";
+export { AlgorithmId };
+export const getChecksumConfiguration = (runtimeConfig) => {
+    const checksumAlgorithms = [];
+    for (const id in AlgorithmId) {
+        const algorithmId = AlgorithmId[id];
+        if (runtimeConfig[algorithmId] === undefined) {
+            continue;
+        }
+        checksumAlgorithms.push({
+            algorithmId: () => algorithmId,
+            checksumConstructor: () => runtimeConfig[algorithmId],
+        });
+    }
+    return {
+        addChecksumAlgorithm(algo) {
+            checksumAlgorithms.push(algo);
+        },
+        checksumAlgorithms() {
+            return checksumAlgorithms;
+        },
+    };
+};
+export const resolveChecksumRuntimeConfig = (clientConfig) => {
+    const runtimeConfig = {};
+    clientConfig.checksumAlgorithms().forEach((checksumAlgorithm) => {
+        runtimeConfig[checksumAlgorithm.algorithmId()] = checksumAlgorithm.checksumConstructor();
+    });
+    return runtimeConfig;
+};