Allow window button icons to increase to 24px size
Presently window button icons are either 16px or 32px depending on the size of the panel, but allowing the 24px icon size is also important, especially when 'show button labels' are disabled.
Presently window button icons are either 16px or 32px depending on the size of the panel, but allowing the 24px icon size is also important, especially when 'show button labels' are disabled.