DYN-6769 Improving Dynamo Load Graph II - 2

Disabling the DefaultNodeAutocomplete functionality when Dynamo is in ServiceMode.

src/DynamoCoreWpf/ViewModels/Core/DynamoViewModel.cs

@@ -758,7 +758,11 @@ protected DynamoViewModel(StartConfiguration startConfiguration)
 
             //add the initial workspace and register for future 
             //updates to the workspaces collection
-            SearchDefaultNodeAutocompleteCandidates();
+            if(!Model.IsServiceMode)
+            {
+                SearchDefaultNodeAutocompleteCandidates();
+            }
+
             var homespaceViewModel = new HomeWorkspaceViewModel(model.CurrentWorkspace as HomeWorkspaceModel, this);
             workspaces.Add(homespaceViewModel);
             currentWorkspaceViewModel = homespaceViewModel;