fix: actually fire PresentationActionFeedback

- Presentation active feedback on videocodec base wasn't getting fired and was incorrectly linked

src/CiscoRoomOsCodec.cs

@@ -407,13 +407,7 @@ protected override Func<bool> SharingContentIsOnFeedbackFunc
 		{
 			get
 			{
-				return () =>
-					CodecStatus
-						.Status
-						.StatusConference
-						.Presentation
-						.ModeValueProperty
-						.SendingBoolValue;
+				return () => PresentationActiveFeedback.BoolValue;
 			}
 		}
 
@@ -894,6 +888,8 @@ public CiscoCodec(DeviceConfig config, IBasicCommunication comm)
 			PresentationActiveFeedback = new BoolFeedback(() => _presentationActive);
 			ContentInputActiveFeedback = new BoolFeedback(() => _presentationSource != 0);
 
+			PresentationActiveFeedback.OutputChange += (o, a) => SharingContentIsOnFeedback.FireUpdate();
+
 			Communication = comm;
 
 			if (props.CommunicationMonitorProperties != null)