Fix multiple file upload in file manager
Fix multiple file upload in file manager

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