Split screen in main Sudo or collapsible side panel

Split screen inside Sudowrite or collapsible side panel.
I usually do two generations with different models in SE and then merge the output. Then I just open two browser windows with regular Sudo and copy stuff from one window to the next, but both windows have the right panel with Sudo cards and it is inconvenient even though I have a wide 4k monitor. It could be great if I could have two subwindows opened in Sudo with only single card panel for both of them or if we could hide the side panel.