Clear status text on Update attempt during cooldown.

EDMarketConnector.py

@@ -237,6 +237,7 @@ class AppWindow:
 
         if not retrying:
             if time() < self.holdofftime:	# Was invoked by key while in cooldown
+                self.status['text'] = ''
                 if play_sound and (self.holdofftime-time()) < companion.holdoff*0.75:
                     hotkeymgr.play_bad()	# Don't play sound in first few seconds to prevent repeats
                 return