Increase menu button height and redice width to fix bug #5567

themes/default-4.6/menu-active.png

themes/default-4.6/menu-active.svg

themes/default-4.6/menu-active.xpm

themes/default-4.6/menu-inactive.png

themes/default-4.6/menu-inactive.svg

themes/default-4.6/menu-inactive.xpm

themes/default-4.6/menu-prelight.png

themes/default-4.6/menu-prelight.svg

themes/default-4.6/menu-prelight.xpm

themes/default-4.6/menu-pressed.png

themes/default-4.6/menu-pressed.svg

themes/default-4.6/menu-pressed.xpm

themes/default/menu-active.xpm

themes/default/menu-inactive.xpm

themes/default/menu-prelight.xpm

themes/default/menu-pressed.xpm