Comment 3 for bug 1727842

I'd like to generalise this to "all keyboard shortcuts".
Setting a customised shortcut at all does not work, seems users other than me have the issue as well.
https://askubuntu.com/questions/972940/keyboard-shortcuts-stop-working-after-upgrading-to-ubuntu-17-10
https://askubuntu.com/questions/970617/compiz-shortcuts-not-working-on-ubuntu-17-10

Very annoying issue, 17.10 as a whole has not been so good :(