The ornamental design for a luggagecart, as shown and described.
FIG. 1 is a top perspective view of a luggage cart showing my new design,
the broken lines are for illustrative purposes only and form no part of
the claimed design;
FIG. 2 is a right side elevational view thereof, the left side view being a
mirror image of that shown;
FIG. 3 is a rear elevational view thereof, the front view being a mirror
image of that shown; and