patch 8.1.1419: listener callbacks may be called recursively

Problem:    Listener callbacks may be called recursively.
Solution:   Set "updating_screen" while listener callbacks are invoked.

src/ui.c

@@ -691,7 +691,7 @@ ui_breakcheck_force(int force)
     if (save_updating_screen)
 	updating_screen = TRUE;
     else
-	reset_updating_screen(FALSE);
+	after_updating_screen(FALSE);
 
     recursive = FALSE;
 }