[FEATURE REQUEST] Add Support for Wiser 4-Button Wireless Wall Switch

[droidgren]

Wiser Exxact Battery-powered Wireless Switch 4 button

Supports single-press and long-press for each button, total of 8 useable functions.

Wiser Exxact Battery-powered Wireless Switch 4 button
Model nr: WDE002924 (WS5001)
(ZigbeeID: FLS/SYSTEM-M/4)
https://www.se.com/ww/en/product/WDE002924

https://www.zigbee2mqtt.io/devices/WDE002906.html
https://zigbee.blakadder.com/Schneider_Electric_WDE002906.html

I can provide logs etc if needed.