private void RemoveWorkspaceItem(IWorkflowDesignerViewModel viewModel)
{
// TODO: Check model server uri
IWorkspaceItem itemToRemove =
WorkspaceItems.FirstOrDefault(c => c.ServiceName == viewModel.ResourceModel.ResourceName);
if (itemToRemove == null) return;
WorkspaceItems.Remove(itemToRemove);
SaveWorkspaceItems();
}