Reset ghost role menu scroll upon search (#30159)

Quality of life so it doesn't sit on your old spot anymore.

Content.Client/UserInterface/Systems/Ghost/Controls/GhostTargetWindow.xaml.cs

@@ -90,6 +90,8 @@ namespace Content.Client.UserInterface.Systems.Ghost.Controls
             _searchText = args.Text;
 
             UpdateVisibleButtons();
+            // Reset scroll bar so they can see the relevant results.
+            GhostScroll.SetScrollValue(Vector2.Zero);
         }
     }
 }