Device information
https://community.home-assistant.io/t/zigbee2mqtt-ikea-styrbar-4-button-remote-e2001-e2002/353445
- Brightness up button: Short press and long press
- Brightness down button: Short press and long press
- Brightness stop button: Long release press
- Left button: Short press, hold, and release
- Right button: Short press, hold, and release