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/middleware-flexible-checksums/dist-es/constants.js

@@ -0,0 +1,25 @@
+export const RequestChecksumCalculation = {
+    WHEN_SUPPORTED: "WHEN_SUPPORTED",
+    WHEN_REQUIRED: "WHEN_REQUIRED",
+};
+export const DEFAULT_REQUEST_CHECKSUM_CALCULATION = RequestChecksumCalculation.WHEN_SUPPORTED;
+export const ResponseChecksumValidation = {
+    WHEN_SUPPORTED: "WHEN_SUPPORTED",
+    WHEN_REQUIRED: "WHEN_REQUIRED",
+};
+export const DEFAULT_RESPONSE_CHECKSUM_VALIDATION = RequestChecksumCalculation.WHEN_SUPPORTED;
+export var ChecksumAlgorithm;
+(function (ChecksumAlgorithm) {
+    ChecksumAlgorithm["MD5"] = "MD5";
+    ChecksumAlgorithm["CRC32"] = "CRC32";
+    ChecksumAlgorithm["CRC32C"] = "CRC32C";
+    ChecksumAlgorithm["CRC64NVME"] = "CRC64NVME";
+    ChecksumAlgorithm["SHA1"] = "SHA1";
+    ChecksumAlgorithm["SHA256"] = "SHA256";
+})(ChecksumAlgorithm || (ChecksumAlgorithm = {}));
+export var ChecksumLocation;
+(function (ChecksumLocation) {
+    ChecksumLocation["HEADER"] = "header";
+    ChecksumLocation["TRAILER"] = "trailer";
+})(ChecksumLocation || (ChecksumLocation = {}));
+export const DEFAULT_CHECKSUM_ALGORITHM = ChecksumAlgorithm.CRC32;