Bugfix in TEvent, DataServer Push-Mode

Src/Myc.TaskManager.pas

@@ -16,7 +16,7 @@ type
         // After waiting, or if the state is already set, any first stored exception
         // from any worker thread of this factory will be re-raised in the calling (main) thread.
         // Raises ETaskException if called from within a worker thread.
-        procedure WaitFor(State: TState.IState);
+        procedure WaitFor(const State: TState.IState);
     end;
 
 var
@@ -42,7 +42,7 @@ type
     public
         // IMycTaskManager
         function CreateTask(const Gate: TState; const Proc: TProc): TSignal.TSubscription;
-        procedure WaitFor(State: TState.IState);
+        procedure WaitFor(const State: TState.IState);
 
         constructor Create;
     end;
@@ -77,7 +77,7 @@ begin
     Result := Gate.Signal.Subscribe(TMycExecMock.Create(Proc));
 end;
 
-procedure TMycTaskManagerMock.WaitFor(State: TState.IState);
+procedure TMycTaskManagerMock.WaitFor(const State: TState.IState);
 begin
     Assert(State.IsSet);
 end;