Hide 'add block' menu item if area is full
Hide 'add block' menu item if area is full

MichaelMaar/concrete5,MichaelMaar/concrete5,TimDix/concrete5,matt9mg/concrete5,TimDix/concrete5,MichaelMaar/concrete5,avdevs/concrete5,avdevs/concrete5,matt9mg/concrete5,avdevs/concrete5,TimDix/concrete5,matt9mg/concrete5