Comment 16 for bug 1726548

I was also having this problem on a System 76 laptop using Wayland with a hidpi screen (3200x1800) and scaling set to 150%. I was able to fix it by doing:
gsettings set org.gnome.desktop.interface scaling-factor 1

https://askubuntu.com/questions/1073568/preventing-window-resizing-after-resume