Structure loading: minor performance fixes

git-svn-id: http://svn.flexive.org/repository/flexive/trunk@2972 d35d4baa-7912-0410-b0ae-edacad209e15
UserTicketImpl#reloadGuestTicketAssignments: set timestamp before loading accounts (that might use a guest ticket as well)

git-svn-id: http://svn.flexive.org/repository/flexive/trunk@2973 d35d4baa-7912-0410-b0ae-edacad209e15