Terminal: Fix handling stub timeout

Change-Id: Idaf18ac404d878382d5912793a667200bd7fe6f9
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: hjk <hjk@qt.io>

src/libs/utils/terminalinterface.cpp

@@ -420,6 +420,7 @@ void TerminalInterface::start()
     connect(d->stubConnectTimeoutTimer.get(), &QTimer::timeout, this, [this] {
         killInferiorProcess();
         killStubProcess();
+        emitFinished(-1, QProcess::ExitStatus::CrashExit);
     });
     d->stubConnectTimeoutTimer->setSingleShot(true);
     d->stubConnectTimeoutTimer->start(10000);