fix: Update Server McpSettings (#6018)

fix:初始化一个新的MCP Server时，没有防止用户多次点击启用开关

src/renderer/src/pages/settings/MCPSettings/McpSettings.tsx

@@ -167,6 +167,7 @@ const McpSettings: React.FC = () => {
         const localTools = await window.api.mcp.listTools(server)
         setTools(localTools)
       } catch (error) {
+        setLoadingServer(server.id)
         window.message.error({
           content: t('settings.mcp.tools.loadError') + ' ' + formatError(error),
           key: 'mcp-tools-error'