Bug#1037334: Synaptic GUI icons not appearing in KDE desktop on Debian Sid

[Edward]

Package: synaptic
Version: 0.91.3

The GUI for Synaptic in Debian Sid, KDE desktop (in both X11 and Wayland) 
is not displaying any icons, except for Apply. 

Software - KDE Plasma Version: 5.27.5, KDE Frameworks Version: 5.103.0, Qt 
Version: 5.15.8, Kernel: 6.1.0-9-amd64

A screenshot is attached.