Process: Fix stopping the process while message box is visible

When process finished while the message box querying for
a process to be stopped after a timeout was visible,
don't try to stop it and don't report a hang.

Change-Id: I74a819244a96d9e0209cabc6d58c0a1c4fe1ac31
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/libs/utils/process.cpp

@@ -1876,6 +1876,8 @@ void Process::runBlocking(EventLoopMode eventLoopMode)
         if (d->m_timeoutInSeconds > 0) {
             timeoutHandler = [this, &eventLoop, &timeoutHandler] {
                 if (!d->m_timeOutMessageBoxEnabled || askToKill(d->m_setup.m_commandLine)) {
+                    if (state() == QProcess::NotRunning)
+                        return;
                     stop();
                     waitForFinished();
                     d->m_result = ProcessResult::Hang;