Added ForeverTask

Author: stidsborg

Core/Cleipnir.ResilientFunctions/Helpers/ForeverTask.cs

@@ -0,0 +1,8 @@
+using System.Threading.Tasks;
+
+namespace Cleipnir.ResilientFunctions.Helpers;
+
+public static class ForeverTask
+{
+    public static Task Instance { get; } = new TaskCompletionSource().Task;
+}

Core/Cleipnir.ResilientFunctions/Queuing/QueueManager.cs

@@ -153,7 +153,7 @@ internal void Interrupt()
         finally
         {
             if (!_flowState.TryResumeSubflow())
-                await new TaskCompletionSource<MessageData?>().Task;
+                await ForeverTask.Instance;
 
             await delayCts.CancelAsync();
             delayCts.Dispose();