[BUG] NMS: Identical scores and areas boxes are not suppressed

[Rafostar]

Describe the bug
When NMS input boxes contain 2 or more predictions with the same score and area size, NMS does not reject any of them. This creates duplicates in output mask.

Steps/Code to reproduce bug

1. Prepare NMS input data with similar 2 or more bounding boxes that have the exact same score and their calculated area size will be the same.
2. Run NMS
3. Check output mask - notice both have values 1 (not discarded)

Expected behavior
Only single bounding box has positive value assigned in output mask.

Environment overview (please complete the following information)

• Environment location: Bare-metal
• Method of cuDF install: from source