vim-patch:8.1.2313: debugging where a delay comes from is not easy

Problem:    Debugging where a delay comes from is not easy.
Solution:   Use different values when calling ui_delay().
eda1da0c9a

src/nvim/edit.c

@@ -2058,7 +2058,7 @@ static bool check_compl_option(bool dict_opt)
       vim_beep(BO_COMPL);
       setcursor();
       ui_flush();
-      os_delay(2000L, false);
+      os_delay(2004L, false);
     }
     return false;
   }