XT-17009 Algorithms templates contains references to obsolete properties in 5.2. Remove obsolete API uses from Order by Margin plugin.

Author: Ahmad Noman Musleh

Plugins/Order by Margin/Order by Margin/Order by Margin.cs

@@ -52,9 +52,8 @@ private void AspSymbolTab_SymbolChanged(AspSymbolChangedEventArgs obj)
         private void AddControls()
         {
             var block = Asp.SymbolTab.AddBlock("New Order by Margin");
-            block.IsExpanded = true;
+
             block.IsDetachable = false;
-            block.Index = 1;
             block.Height = 150;
 
             var rootStackPanel = new StackPanel { Margin = new Thickness(10) };