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/token-providers/dist-es/fromEnvSigningName.js

@@ -0,0 +1,16 @@
+import { setTokenFeature } from "@aws-sdk/core/client";
+import { getBearerTokenEnvKey } from "@aws-sdk/core/httpAuthSchemes";
+import { TokenProviderError } from "@smithy/property-provider";
+export const fromEnvSigningName = ({ logger, signingName } = {}) => async () => {
+    logger?.debug?.("@aws-sdk/token-providers - fromEnvSigningName");
+    if (!signingName) {
+        throw new TokenProviderError("Please pass 'signingName' to compute environment variable key", { logger });
+    }
+    const bearerTokenKey = getBearerTokenEnvKey(signingName);
+    if (!(bearerTokenKey in process.env)) {
+        throw new TokenProviderError(`Token not present in '${bearerTokenKey}' environment variable`, { logger });
+    }
+    const token = { token: process.env[bearerTokenKey] };
+    setTokenFeature(token, "BEARER_SERVICE_ENV_VARS", "3");
+    return token;
+};