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-ssec/dist-cjs/index.js

@@ -0,0 +1,73 @@
+'use strict';
+
+function ssecMiddleware(options) {
+    return (next) => async (args) => {
+        const input = { ...args.input };
+        const properties = [
+            {
+                target: "SSECustomerKey",
+                hash: "SSECustomerKeyMD5",
+            },
+            {
+                target: "CopySourceSSECustomerKey",
+                hash: "CopySourceSSECustomerKeyMD5",
+            },
+        ];
+        for (const prop of properties) {
+            const value = input[prop.target];
+            if (value) {
+                let valueForHash;
+                if (typeof value === "string") {
+                    if (isValidBase64EncodedSSECustomerKey(value, options)) {
+                        valueForHash = options.base64Decoder(value);
+                    }
+                    else {
+                        valueForHash = options.utf8Decoder(value);
+                        input[prop.target] = options.base64Encoder(valueForHash);
+                    }
+                }
+                else {
+                    valueForHash = ArrayBuffer.isView(value)
+                        ? new Uint8Array(value.buffer, value.byteOffset, value.byteLength)
+                        : new Uint8Array(value);
+                    input[prop.target] = options.base64Encoder(valueForHash);
+                }
+                const hash = new options.md5();
+                hash.update(valueForHash);
+                input[prop.hash] = options.base64Encoder(await hash.digest());
+            }
+        }
+        return next({
+            ...args,
+            input,
+        });
+    };
+}
+const ssecMiddlewareOptions = {
+    name: "ssecMiddleware",
+    step: "initialize",
+    tags: ["SSE"],
+    override: true,
+};
+const getSsecPlugin = (config) => ({
+    applyToStack: (clientStack) => {
+        clientStack.add(ssecMiddleware(config), ssecMiddlewareOptions);
+    },
+});
+function isValidBase64EncodedSSECustomerKey(str, options) {
+    const base64Regex = /^(?:[A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/;
+    if (!base64Regex.test(str))
+        return false;
+    try {
+        const decodedBytes = options.base64Decoder(str);
+        return decodedBytes.length === 32;
+    }
+    catch {
+        return false;
+    }
+}
+
+exports.getSsecPlugin = getSsecPlugin;
+exports.isValidBase64EncodedSSECustomerKey = isValidBase64EncodedSSECustomerKey;
+exports.ssecMiddleware = ssecMiddleware;
+exports.ssecMiddlewareOptions = ssecMiddlewareOptions;