* remove legacy openMenu=shape state and unused actions
* close menus/popups in applicable cases when opening a different one
* split ui z-indexes to account prefer different overlap
* make top canvas area clickable on mobile
* make mobile main menu closable by clicking outside and reduce width
* offset picker popups from viewport border on mobile
* reduce items gap in mobile main menu
* show top picks for canvas bg colors in all ui modes
* fix menu separator visibility on mobile
* fix command palette items not being filtered