added fromExternalApp to DataOrigin so we can send to new Que

Signed-off-by: Neil South <[email protected]>

src/Messaging/Events/WorkflowRequestEvent.cs

@@ -54,6 +54,10 @@ public class DataOrigin
         [JsonPropertyName("destination")]
         public string Destination { get; set; } = default!;
 
+        [JsonProperty(PropertyName = "fromExternalApp")]
+        [JsonPropertyName("fromExternalApp")]
+        public bool FromExternalApp { get; set; } = false;
+
         public override int GetHashCode()
         {
             return HashCode.Combine(Source, Destination, DataService);