The ornamental design for a packagingcontainer, as shown and described.
FIG. 1 is a perspective view of a packaging container, showing my new design.
FIG. 2 is a perspective view thereof showing the lid off to show aspects of the design not clearly visible when combined.
FIG. 3 is a front view thereof.
FIG. 4 is a rear view thereof.
FIG. 5 is a top plan view thereof.
FIG. 6 is a bottom plan view thereof.
FIG. 7 is a right side view thereof.
FIG. 8 is a left side view thereof; and,
FIG. 9 is a sectional view taken along line 9-9 of FIG. 3 thereof.
In the drawings, the evenly spaced broken lines in the figures illustrate the portions of the design that form no part of the claimed design. The dot-dosh lines illustrate a boundary to the claim and form no part thereof.