BUGFIX: Only switch to a subsite that you have access to if you actually have access to a subsite. (from r89042)
BUGFIX: Only switch to a subsite that you have access to if you actually have access to a subsite. (from r89042)

silverstripe/silverstripe-subsites,mandrew/silverstripe-subsites,danaenz/silverstripe-subsites,mikenz/silverstripe-simplesubsites,mikenz/silverstripe-simplesubsites,silverstripe/silverstripe-subsites,mandrew/silverstripe-subsites,danaenz/silverstripe-subsites,wernerkrauss/silverstripe-subsites,dnadesign/silverstripe-subsites,wernerkrauss/silverstripe-subsites,dnadesign/silverstripe-subsites,petpack/silverstripe-subsites,petpack/silverstripe-subsites