fix: Import directly from right library

Author: CGNonofr

src/infrastructure.ts

@@ -1,5 +1,6 @@
 import { ConsoleLogger, createWebSocketConnection, toSocket } from '@codingame/monaco-jsonrpc'
-import { MessageConnection, TextDocument, TextDocumentSaveReason } from 'monaco-languageclient'
+import { MessageConnection } from 'vscode-languageserver-protocol'
+import { TextDocument, TextDocumentSaveReason } from 'monaco-languageclient'
 import * as monaco from 'monaco-editor'
 import type * as vscode from 'vscode'
 import { getFile, updateFile } from './customRequests'