Partially fix work with user color

FieldVisualizer/ViewModels/FieldViewerViewModels/FieldViewerViewModel.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FieldVisualizer.ViewModels.FieldViewerViewModels
+{
+    public class FieldViewerViewModel : ViewModelBase
+    {
+    }
+}