Terminal.app does not suppress output in my example. The ssh command switches the terminal into no-echo mode with termios flags. Terminal.app, being clever, w

Terminal.app does not suppress output in my example. The ssh command switches the terminal into no-echo mode with termios flags. Terminal.app, being clever, watches for disabled echo (among other things) and assumes a password is being entered and displays the key icon and enables Secure Event Input. I don't want Terminal.app to be clever.