The ornamental design for a floating pendantlightfixture, as shown and described.
FIG. 1 is a perspective view of a floating pendant light fixture showing my new design;
FIG. 2 is a front elevational view thereof; the rear elevational view is the same;
FIG. 3 is a left side elevational view thereof; the right side elevational view is the same;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken lines are shown for illustrative purposes only, forming no part of the claimed design. The solid diagonal lines splitting the broken lines are shown for illustrative purposes only, forming no part of the claimed design.