websutil: Fix displaying info for team submissions without a submitting user.
websutil: Fix displaying info for team submissions without a submitting user.

calin-iorgulescu/vmchecker,calin-iorgulescu/vmchecker,rosedu/vmchecker,rosedu/vmchecker,rosedu/vmchecker,calin-iorgulescu/vmchecker,rosedu/vmchecker,calin-iorgulescu/vmchecker,rosedu/vmchecker,calin-iorgulescu/vmchecker,calin-iorgulescu/vmchecker,rosedu/vmchecker