Utils: Delay close signal in pty process

The close signal of the conpty process needs to be delayed
as it otherwise might arrive before the last output of
the process.

This should be fixed in the future by using overlapped io
for the pipes.

Change-Id: I49fe4863672a0b14f5766bbe5ee7b1d8894594ca
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/libs/3rdparty/libptyqt/conptyprocess.cpp

@@ -184,7 +184,7 @@ bool ConPtyProcess::startProcess(const QString &executable,
                          if (!m_aboutToDestruct)
                              emit notifier()->aboutToClose();
                          m_shellCloseWaitNotifier->setEnabled(false);
-                     });
+                     }, Qt::QueuedConnection);
 
     //this code runned in separate thread
     m_readThread = QThread::create([this]() {

src/libs/3rdparty/libptyqt/conptyprocess.h

@@ -114,12 +114,8 @@ public:
     qint64 size() const { return m_readBuffer.size(); }
 
     void emitReadyRead()
-    {
-        //for emit signal from PtyBuffer own thread
-        QTimer::singleShot(1, this, [this]()
     {
         emit readyRead();
-        });
     }
 
 private: