Fix permission failure when permission checks are called without Member.
Fix permission failure when permission checks are called without Member.

silverstripe/deploynaut,awangga/deploynaut,jakedaleweb/deploynaut,awangga/deploynaut,awangga/deploynaut,madmatt/deploynaut,jakedaleweb/deploynaut,antons-/deploynaut,shoaibali/deploynaut,awangga/deploynaut,silverstripe/deploynaut,madmatt/deploynaut,antons-/deploynaut,silverstripe/deploynaut,madmatt/deploynaut,antons-/deploynaut,shoaibali/deploynaut,silverstripe/deploynaut,jakedaleweb/deploynaut,shoaibali/deploynaut,jakedaleweb/deploynaut,madmatt/deploynaut,antons-/deploynaut,shoaibali/deploynaut