fix display when a user's last name has not been set
fix display when a user's last name has not been set

pcai/lims,kgf/lims,moritzsternemann/ReadyResponder,kgf/lims,houhoulis/ReadyResponder,ReadyResponder/ReadyResponder,moritzsternemann/ReadyResponder,dusty-wil/ReadyResponder,dusty-wil/ReadyResponder,ReadyResponder/ReadyResponder,kgf/lims,kgf/lims,david135/lims,david135/lims,moritzsternemann/ReadyResponder,david135/lims,moritzsternemann/ReadyResponder,houhoulis/ReadyResponder,pcai/lims,pcai/lims,houhoulis/ReadyResponder,pcai/lims,dusty-wil/ReadyResponder,ReadyResponder/ReadyResponder,david135/lims,ReadyResponder/ReadyResponder,houhoulis/ReadyResponder,dusty-wil/ReadyResponder