[DYN-7466] Follow up - Zoom to fit to nodes/groups selected in TuneUP and GraphNodeManager (#15547)

Author: ivaylo-matov

src/DynamoCoreWpf/ViewModels/Core/DynamoViewModel.cs

@@ -2771,6 +2771,7 @@ var customNodeWorkspace in
             }
             // Center the view on the model
             this.CurrentSpaceViewModel.OnRequestCenterViewOnElement(this, new ModelEventArgs(e));
+            FitView(false);
         }
 
         private void CancelActiveState(NodeModel node)

src/DynamoCoreWpf/ViewModels/Core/WorkspaceViewModel.cs

@@ -1156,23 +1156,23 @@ public double GetSelectionAverageY()
 
         public double GetSelectionMinX()
         {
-            return DynamoSelection.Instance.Selection.Where((x) => !(x is AnnotationModel) && x is ILocatable)
+            return DynamoSelection.Instance.Selection.Where((x) => x is ILocatable)
                            .Cast<ILocatable>()
                            .Select((x) => x.X)
                            .Min();
         }
 
         public double GetSelectionMinY()
         {
-            return DynamoSelection.Instance.Selection.Where((x) => !(x is AnnotationModel) && x is ILocatable)
+            return DynamoSelection.Instance.Selection.Where((x) => x is ILocatable)
                            .Cast<ILocatable>()
                            .Select((x) => x.Y)
                            .Min();
         }
 
         public double GetSelectionMaxX()
         {
-            return DynamoSelection.Instance.Selection.Where((x) => !(x is AnnotationModel) && x is ILocatable)
+            return DynamoSelection.Instance.Selection.Where((x) => x is ILocatable)
                            .Cast<ILocatable>()
                            .Select((x) => x.X + x.Width)
                            .Max();
@@ -1188,7 +1188,7 @@ public double GetSelectionMaxLeftX()
 
         public double GetSelectionMaxY()
         {
-            return DynamoSelection.Instance.Selection.Where((x) => !(x is AnnotationModel) && x is ILocatable)
+            return DynamoSelection.Instance.Selection.Where((x) => x is ILocatable)
                            .Cast<ILocatable>()
                            .Select((x) => x.Y + x.Height)
                            .Max();