Change texture layout of portrait in large HUD

Portrait will now follow aspect of large HUD - e.g. stretch a bit vertically when 4:3 enabled.

Assets/Scripts/Game/UserInterface/HUDLarge.cs

@@ -172,7 +172,7 @@ void Setup()
             Components.Add(compassPanel);
 
             // Head
-            headPanel.BackgroundTextureLayout = BackgroundLayout.ScaleToFit;
+            headPanel.BackgroundTextureLayout = BackgroundLayout.StretchToFill;
             headPanel.OnMouseClick += HeadPanel_OnMouseClick;
             headPanel.OnRightMouseClick += HeadPanel_OnMouseClick;
             Components.Add(headPanel);