How to use remappers that use a different uinput device?

[rbreaves]

Describe the bug Remapped keys show no difference to their original key.

To Reproduce Install xkeysnail and test out a config or http://kinto.sh.

Expected Behavior Remapped keys take place.

Desktop (please complete the following information):

• OS and version: N/A
• Xorg version used: N/A
• Wayland version used: N/A (x11)