implement cancel button to cancel login profedure and continue with the

next entry

lib/config.py

@@ -18,7 +18,7 @@ class Entry:
         if self.gui:
             worker.messageContent = self.scrapurl
             worker.dialog_closed=False
-            worker.pwprompt.emit() #signal to mainthread
+            worker.pwprompt.emit() #signal to mainthread run showDialog and wait for close
             while not worker.dialog_closed:
                 time.sleep(1)
                 pass