drive: fix ChangeNotify for folders
drive: fix ChangeNotify for folders

yonjah/rclone,B4dM4n/rclone,olihey/rclone,ncw/rclone,olihey/rclone,ncw/rclone,yonjah/rclone,B4dM4n/rclone,seuffert/rclone,B4dM4n/rclone,seuffert/rclone,ncw/rclone,olihey/rclone,B4dM4n/rclone,olihey/rclone,ncw/rclone,yonjah/rclone,seuffert/rclone,yonjah/rclone,seuffert/rclone