Little Genius - Linux (.deb) version v0.5.5 - Application window can't be resized by grabbing the window edge or corner

The application window can't be resized by grabbing the edge or corner of the window, but can be resized by right clicking the app icon on the tray and using Resize. https://youtu.be/xKlsuBVJC5E

System info:

Operating System: Kubuntu 26.04 LTS

KDE Plasma Version: 6.6.5

KDE Frameworks Version: 6.24.0

Qt Version: 6.10.2

Kernel Version: 7.0.0-27-generic (64-bit)

Graphics Platform: Wayland

Processors: 4 × Intel® Core™ i5-4690K CPU @ 3.50GHz

Memory: 16 GiB of RAM (15,5 GiB usable)

Graphics Processor 1: AMD Radeon RX 9060 XT