fix(ci): add @modelcontextprotocol/ext-apps to jest transformIgnorePatterns and fix import sort

The package ships ESM-only; adding it to the babel-jest transform allow list
lets all three jest configs (api, packages/api, and config which inherits api)
process it correctly. Also sort imports in ToolCallInfo.tsx and
MCPUIResourceCarousel.test.tsx which the CI sort-imports check flagged.

api/jest.config.js

@@ -6,6 +6,7 @@ const esModules = [
   '@langchain/langgraph-checkpoint',
   '@langchain/langgraph-sdk',
   '@mistralai/mistralai',
+  '@modelcontextprotocol/ext-apps',
   'uuid',
 ].join('|');
 

client/src/components/Chat/Messages/Content/ToolCallInfo.tsx

@@ -1,8 +1,8 @@
 import { useState, useMemo } from 'react';
 import { ChevronDown } from 'lucide-react';
 import { useLocalize, useExpandCollapse } from '~/hooks';
-import { cn } from '~/utils';
 import { OutputRenderer } from './ToolOutput';
+import { cn } from '~/utils';
 
 function isSimpleObject(obj: unknown): obj is Record<string, string | number | boolean | null> {
   if (typeof obj !== 'object' || obj === null || Array.isArray(obj)) {

client/src/components/MCPUIResource/__tests__/MCPUIResourceCarousel.test.tsx

@@ -1,10 +1,10 @@
 import React from 'react';
-import { render, screen } from '@testing-library/react';
 import { RecoilRoot } from 'recoil';
+import { render, screen } from '@testing-library/react';
+import type { UIResource } from 'librechat-data-provider';
+import { useConversationUIResources } from '~/hooks/Messages/useConversationUIResources';
 import { MCPUIResourceCarousel } from '../MCPUIResourceCarousel';
 import { useOptionalMessagesConversation } from '~/Providers';
-import { useConversationUIResources } from '~/hooks/Messages/useConversationUIResources';
-import type { UIResource } from 'librechat-data-provider';
 
 jest.mock('~/Providers', () => ({
   useOptionalMessagesConversation: jest.fn(),

packages/api/jest.config.mjs

@@ -3,6 +3,7 @@ const esModules = [
   '@langchain/langgraph-checkpoint',
   '@langchain/langgraph-sdk',
   '@mistralai/mistralai',
+  '@modelcontextprotocol/ext-apps',
   'uuid',
 ].join('|');