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/credential-provider-imds/dist-es/utils/getInstanceMetadataEndpoint.js

@@ -0,0 +1,19 @@
+import { loadConfig } from "@smithy/node-config-provider";
+import { parseUrl } from "@smithy/url-parser";
+import { Endpoint as InstanceMetadataEndpoint } from "../config/Endpoint";
+import { ENDPOINT_CONFIG_OPTIONS } from "../config/EndpointConfigOptions";
+import { EndpointMode } from "../config/EndpointMode";
+import { ENDPOINT_MODE_CONFIG_OPTIONS, } from "../config/EndpointModeConfigOptions";
+export const getInstanceMetadataEndpoint = async () => parseUrl((await getFromEndpointConfig()) || (await getFromEndpointModeConfig()));
+const getFromEndpointConfig = async () => loadConfig(ENDPOINT_CONFIG_OPTIONS)();
+const getFromEndpointModeConfig = async () => {
+    const endpointMode = await loadConfig(ENDPOINT_MODE_CONFIG_OPTIONS)();
+    switch (endpointMode) {
+        case EndpointMode.IPv4:
+            return InstanceMetadataEndpoint.IPv4;
+        case EndpointMode.IPv6:
+            return InstanceMetadataEndpoint.IPv6;
+        default:
+            throw new Error(`Unsupported endpoint mode: ${endpointMode}.` + ` Select from ${Object.values(EndpointMode)}`);
+    }
+};