clutter/evdev: Set the backend keymap before using it
The device manager evdev assumes the keymap is set, so better set it before its creation.
Closes: #451 (closed) Fixes: 6de81b05 "evdev: Implement ClutterKeymap"
The device manager evdev assumes the keymap is set, so better set it before its creation.
Closes: #451 (closed) Fixes: 6de81b05 "evdev: Implement ClutterKeymap"