p-contextual-menu__toggle and what it controls
aria-controls. The target element will be hidden or shown with
false. The control element will also change
aria-expanded so and screen readers will know it's active.
Using direction modifiers will change the placement of the drop-down menu. By default alignment is to the right of the parent pattern.
.p-contextual-menu .p-contextual-menu--left .p-contextual-menu--center