Update ptyDriver.py

src/fenrirscreenreader/screenDriver/ptyDriver.py

@@ -46,6 +46,7 @@ class Terminal:
             "text": self.text, 
             'attributes': self.attributes.copy(),
             'screen': 'pty'        
+            'screenUpdateTime': time.time(),                            
         }.copy()
 
 class driver(screenDriver):