window-sidebar from coolicons in Line with regular corners. browser, app, layout, panel, navigation. Other styles and corners: @coolicons/<style>/<radius>/window-sidebar with line, duocolor, duotone, fill or bulk and sharp or round. Leave out regular, like @coolicons/fill/window-sidebar, and use @coolicons/window-sidebar for line with regular corners.
pnpm dlx shadcn@latest add "https://coolicons.cool/r/window-sidebar.json"