Autonav: properly read checkbox value for preview
Autonav: properly read checkbox value for preview

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