Fix setting state for created Plejd room devices

- when using includeRoomsAsLights setting

plejd/DeviceRegistry.js

@@ -54,7 +54,11 @@ class DeviceRegistry {
   }
 
   getDevice(deviceId) {
-    return this.plejdDevices[deviceId];
+    return this.plejdDevices[deviceId] || this.roomDevices[deviceId];
+  }
+
+  getDeviceIdsByRoom(roomId) {
+    return this.deviceIdsByRoom[roomId];
   }
 
   getDeviceBySerialNumber(serialNumber) {

plejd/MqttClient.js

@@ -138,6 +138,7 @@ class MqttClient extends EventEmitter {
             );
             device = this.deviceRegistry.getScene(decodedTopic.id);
           }
+
           const deviceName = device ? device.name : '';
 
           switch (decodedTopic.command) {

plejd/PlejdApi.js

@@ -332,14 +332,17 @@ class PlejdApi {
         const { roomId } = room;
         const roomAddress = this.siteDetails.roomAddress[roomId];
 
+        const deviceIdsByRoom = this.deviceRegistry.getDeviceIdsByRoom(roomId);
+
+        const dimmable = deviceIdsByRoom
+          && deviceIdsByRoom.some((deviceId) => this.deviceRegistry.getDevice(deviceId).dimmable);
+
         const newDevice = {
           id: roomAddress,
           name: room.title,
           type: 'light',
           typeName: 'Room',
-          dimmable: this.deviceIdsByRoom[roomId].some(
-            (deviceId) => this.plejdDevices[deviceId].dimmable,
-          ),
+          dimmable,
         };
 
         this.deviceRegistry.addRoomDevice(newDevice);