The ornamental design for a cabinetdoor, as shown and described.
FIG. 1 is a perspective view of the design of a cabinet door;
FIG. 2 is an enlarged view of the ornamental design on the cabinet door of the embodiment of FIG. 1;
FIG. 3 is a front view of the design of the cabinet door; and,
FIG. 4 is an enlarged view of the ornamental design on the cabinet door of the embodiment of FIG. 3.
The ornamental design is not visible in a top view, bottom view, left side view or right side view.
Those portions of the cabinet illustrated in broken lines, including other surfaces of the cabinet, form no part of the claimed design and are for illustrative purposes.