Speed up lsof by avoiding unneeded work

Fixes #78438

src/vs/workbench/contrib/terminal/node/terminalProcess.ts

@@ -260,7 +260,7 @@ export class TerminalProcess extends Disposable implements ITerminalChildProcess
 					return;
 				}
 				this._logService.trace('IPty#pid');
-				exec('lsof -p ' + this._ptyProcess.pid + ' | grep cwd', (error, stdout, stderr) => {
+				exec('lsof -OPl -p ' + this._ptyProcess.pid + ' | grep cwd', (error, stdout, stderr) => {
 					if (stdout !== '') {
 						resolve(stdout.substring(stdout.indexOf('/'), stdout.length - 1));
 					}