feat: Add IEssentialsRoomFusionController and related configurations

- Introduced IEssentialsRoomFusionControllerFactory for creating Fusion Room Controller devices.
- Added IEssentialsRoomFusionControllerPropertiesConfig to define configuration properties for the Fusion Room Controller.
- Updated IFusionHelpRequest interface to include methods for cancelling and toggling help requests.
- Refactored RoomOnToDefaultSourceWhenOccupied to use IEssentialsRoomFusionController instead of EssentialsHuddleSpaceFusionSystemControllerBase.
- Modified EssentialsRoomBase to check for IEssentialsRoomFusionController in occupancy status provider.

src/PepperDash.Essentials.Core/Fusion/IEssentialsRoomFusionControllerFactory.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using PepperDash.Core;
+using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Fusion;
+
+/// <summary>
+/// Factory for creating IEssentialsRoomFusionController devices
+/// </summary>
+public class IEssentialsRoomFusionControllerFactory : EssentialsDeviceFactory<IEssentialsRoomFusionController>
+{
+    /// <summary>
+    /// Constructor
+    /// </summary>
+    public IEssentialsRoomFusionControllerFactory()
+    {
+        TypeNames = new List<string>() { "fusionRoom" };
+    }
+
+    /// <summary>
+    /// Builds the device
+    /// </summary>
+    /// <param name="dc"></param>
+    /// <returns></returns>
+    public override EssentialsDevice BuildDevice(PepperDash.Essentials.Core.Config.DeviceConfig dc)
+    {
+        Debug.LogDebug("Factory Attempting to create new IEssentialsRoomFusionController Device");
+
+
+        var properties = dc.Properties.ToObject<IEssentialsRoomFusionControllerPropertiesConfig>();
+
+        return new IEssentialsRoomFusionController(properties);
+    }
+}