https://extensions.gnome.org/extension/7559/fullscreen-to-empty-workspace/
New, maximized and fullscreen windows will be moved to empty workspaces. The extension provides options to configure what types of windows should be moved. Supports multiple monitors.
Built on https://github.com/onsah/fullscreen-to-new-workspace
Forked from https://github.com/kaiseracm/gnome-shell-extension-maximize-to-empty-workspace