DDF for IKEA TRADRI on/off switch

[ebaauw]

New DDF, in line with DDFs for other IKEA controllers.

The remote no longer supports groups.

{
  "config": {
    "alert": "none",
    "battery": 87,
    "on": true,
    "reachable": false
  },
  "ep": 1,
  "etag": "74062b2ef378d463dffb43cbcdf6847c",
  "lastannounced": null,
  "lastseen": "2023-09-16T15:48Z",
  "manufacturername": "IKEA of Sweden",
  "mode": 1,
  "modelid": "TRADFRI on/off switch",
  "name": "Switch 124",
  "productid": "E1743",
  "state": {
    "buttonevent": 1003,
    "lastupdated": "2023-09-16T15:48:05.690"
  },
  "swversion": "2.3.079",
  "type": "ZHASwitch",
  "uniqueid": "00:0d:6f:ff:fe:a4:6a:bf-01-1000"
}

[manup]

Tested with my on/off switch, working when upgrading from "joined with legacy code" as well as pairing via DDF after deleting 👍