Fixed netdriver incorrect performance optimization

Terminal.Gui/ConsoleDrivers/NetDriver.cs

@@ -874,7 +874,7 @@ internal class NetDriver : ConsoleDriver
         int rows = Rows;
         int cols = Cols;
         var output = new StringBuilder ();
-        var redrawAttr = new Attribute ();
+        Attribute? redrawAttr = null;
         int lastCol = -1;
 
         CursorVisibility? savedVisibitity = _cachedCursorVisibility;

Terminal.Gui/Views/Menu/MenuBar.cs

@@ -479,7 +479,6 @@ public class MenuBar : View
             Driver.AddRune ((Rune)' ');
         }
 
-        Move (1, 0);
         var pos = 0;
 
         for (var i = 0; i < Menus.Length; i++)