mintUpdate.py: Fix interactive-search positioning in Wayland

sessions.

This is a known issue with popup positioning, unlikely to be
fixed.

see: https://gitlab.gnome.org/GNOME/gtk/-/work_items/2794

mintUpdate.py: Fix interactive-search positioning in Wayland

sessions.

This is a known issue with popup positioning, unlikely to be
fixed.

see: https://gitlab.gnome.org/GNOME/gtk/-/work_items/2794

7.1.1

6.1.0

6.0.5

Tagging version 3.8.2