CommandBar - FarItems cannot have Child Items

[jh-sigmadx]

Setting "ItemParentKey" to an Item that has "ItemFarItem=true" does not work - the Child Items are not displayed at all, and the "parent" Item (a FarRightItem) does not display the down chevron to show the fly-out menu.

Either the Documentation needs to be updated to reflect this, or, ideally, the component should be fixed to allow FarRightItems to have children.