scrollable popup submenus can't popup submenus

[lamb]

Button::new("settings") .ghost() .icon(IconName::Settings) .popup_menu(move |this, window, cx| { this .scrollable() // .max_h(px(480.)) .menu_with_icon( "Settings", IconName::Settings, Box::new(Settings), ) .menu_with_icon("About", IconName::Info, Box::new(About)) .submenu("Help", window, cx, |submenu, _, _| { submenu.scrollable().menu("About", Box::new(About)) }) }) .anchor(Corner::TopRight)

[huacnlee]

Yes, this is a known limitation.