The ornamental design for a controlpanel for a dishwasher door, as shown and described.
FIG. 1 is a front perspective view of a control panel for a dishwasher door according to our new ornamental design;
FIG. 2 is a front view thereof; and,
FIG. 2A is an enlarged detail view of FIG. 2.
The broken lines of the dishwasher, dishwasher compartment and/or components thereof show surrounding structure or environment and do not form part of the claimed design.
The bottom and rear parts of the dishwasher door, and the bottom, rear and top of the dishwasher compartment are unornamented and form no part of the claimed design.