The ornamental design for a candledisplaybox, as shown and described.
FIG. 1 is a front perspective view of the candle display box;
FIG. 2 is a rear perspective view of the candle display box;
FIG. 3 is a front view of the candle display box;
FIG. 4 is a back view of the candle display box
FIG. 5 is a right side view of the candle display box;
FIG. 6 is a left side view of the candle display box;
FIG. 7 is a bottom view of the candle display box;
FIG. 8 is a top view of the candle display box; and,
FIG. 9 is an open front perspective view of the candle display box.
In the drawings, the evenly spaced broken lines are for the purpose of illustrating portions of the candle display box that form no part of the claimed design.