The ornamental design for a refrigeratordoorshelf, as shown and described.
FIG. 1 is a perspective view of a refrigerator door shelf according to the present invention.
FIG. 2 is a front elevation view of the refrigerator door shelf of FIG. 1, the rear view is disclaimed.
FIG. 3 is a right side elevation view of the refrigerator door shelf of FIG. 1, the left side view being a mirror image thereof; and,
FIG. 4 is a top plan view of the refrigerator door shelf of FIG. 1, the bottom view is disclaimed.
The broken line showing in FIG. 3 is included for the purpose of illustrating portions of the refrigerator door shelf that form no part of the claimed design.