The ornamental design for a packagingtray, as shown and described.
FIG. 1 is a perspective view of a packaging tray showing our new design;
FIG. 2 is an enlarged view of a portion of the packaging tray of FIG. 1;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
FIGS. 1-8 show portions of the packaging tray in broken lines. The broken lines represent parts of the article that form no part of the claim. The broken lines immediately adjacent the shaded surfaces represent boundaries of the claim and form no part thereof.