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-endpoints/dist-es/getEndpointUrlConfig.js

@@ -0,0 +1,21 @@
+const ENV_ENDPOINT_URL = "AWS_ENDPOINT_URL";
+const CONFIG_ENDPOINT_URL = "endpoint_url";
+export const getEndpointUrlConfig = (serviceId) => ({
+    environmentVariableSelector: (env) => {
+        const serviceEndpointUrlSections = [ENV_ENDPOINT_URL, ...serviceId.split(" ").map((w) => w.toUpperCase())];
+        const serviceEndpointUrl = env[serviceEndpointUrlSections.join("_")];
+        if (serviceEndpointUrl)
+            return serviceEndpointUrl;
+        const endpointUrl = env[ENV_ENDPOINT_URL];
+        if (endpointUrl)
+            return endpointUrl;
+        return undefined;
+    },
+    configFileSelector: (profile) => {
+        const endpointUrl = profile[CONFIG_ENDPOINT_URL];
+        if (endpointUrl)
+            return endpointUrl;
+        return undefined;
+    },
+    default: undefined,
+});