Nutrient
fun NutrientContextualToolbarScope.NutrientContextualToolbarCloseButton(modifier: Modifier = Modifier)
The bar's close affordance — NutrientContextualToolbar's default closeButton: the View ContextualToolbar.updateCloseButton glyphs, a back arrow on a top-docked bar that ContextualToolbarState.usesBackButtonWhenHorizontal, the circled X otherwise, dispatching ToolbarAction.ItemClicked with R.id.pspdf__toolbar_close_button. Public so a host can keep it next to something of its own in the slot.