[Feature] Shortcut and action: move column to next desktop

Is your feature request related to a problem? Please describe.

I usually have two virtual desktops, and switch between them with kwin's switch-to-next-desktop shortcut action. In virtual desktop settings I enabled wrapping around, so every time I hit the same shortcut, I switch to the other desktop. Similarly I use kwin's window-to-next-desktop shortcut action.

But I would like to replace that with one which moves the whole column, and doesn't require floating the window before and de-floating it after. And I don't want to have to think about which desktop number I'm moving to.

Describe the solution you'd like

A new shortcut and action similar to the existing "Move column to desktop 2" which moves to the next desktop, whichever that is. And it should wrap around back to the first one, at least as long as "Navigation wraps around" is checked in the Virtual Desktops settings module.

Describe alternatives you've considered

Currently I move a window at a time (my columns are usually just one window anyway), using kwin's move-to-next-desktop shortcut. And to avoid weird behavior, I float the window beforehand and de-float it afterward.

Thanks so much for this project!

Start by locating the existing "Move column to desktop 2" shortcut and action, then compare it with the current move-to-next-desktop behavior. Done means adding an action that moves the whole column to the next virtual desktop and respects the Virtual Desktops setting for wrapping around.