Fix projectInfo call signature for TS 3.0

extensions/typescript-language-features/src/commands.ts

@@ -9,6 +9,7 @@ import TypeScriptServiceClientHost from './typeScriptServiceClientHost';
 import { Command } from './utils/commandManager';
 import { Lazy } from './utils/lazy';
 import { isImplicitProjectConfigFile, openOrCreateConfigFile } from './utils/tsconfig';
+import { nulToken } from './utils/cancellation';
 
 
 const localize = nls.loadMessageBundle();
@@ -131,7 +132,7 @@ async function goToProjectConfig(
 
 	let res: protocol.ProjectInfoResponse | undefined = undefined;
 	try {
-		res = await client.execute('projectInfo', { file, needFileNameList: false } as protocol.ProjectInfoRequestArgs);
+		res = await client.execute('projectInfo', { file, needFileNameList: false }, nulToken);
 	} catch {
 		// noop
 	}