less call as command don't echo command

### Issue summary

If you call term.less inside a command and exit with `q` the command less is still in CMD

### Expected behavior
It should echo command and CMD should be empty

### Steps to reproduce
1. Open Demo https://codepen.io/jcubic/pen/dyxbJQN?editors=0110
2. type `less`
3. Press `q`

### Browser and OS
N/A
