fix content block entity Entity of content block become invalid
fix content block entity
Entity of content block become invalid

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