The ornamental design for a paneltrack, as shown and described.
FIG. 1 is a front perspective view of the panel track in accordance with the present invention;
FIG. 2 is a top perspective view thereof;
FIG. 3 is a close-up top perspective view of the rod ends of the panel track
FIG. 4 is a front view thereof; and,
FIG. 5 is a left side view thereof, it being understood the right side view being the mirror image thereof.
The broken lines depicting boundaries, points at which partial view are taken, and environmental structure that are shown in the drawings are for illustrative purposes only and form no part of the claimed design.