There's an area near the top bar that can drag, but when dragging slightly below that, the window resizes in height to fill the whole screen.
Resizing with the top bar works
Resizing with the two sides also works, but I forgot to record this
Resizing with the corners also triggers the bug
This bug only occurs when starting the application with native window decorations enabled, and then disabling them through the view settings. If the application starts with them disabled, the bug doesn't occur.
On an Ubuntu 22.10 VM, running inside a bspwm host:
https://user-images.githubusercontent.com/4633209/226169308-cae43aa7-ed40-45ef-b11a-7ee382d47eda.mp4
This bug only occurs when starting the application with native window decorations enabled, and then disabling them through the view settings. If the application starts with them disabled, the bug doesn't occur.
Happens on both Xorg and XWayland.