API C EquipmentSet.UseEquipmentSet

Equips items from a specified equipment set.
 setWasEquipped = C_EquipmentSet.UseEquipmentSet(equipmentSetID)
==Arguments==
:;equipmentSetID:
==Returns==
:;setWasEquipped: - true if the set was equipped, nil otherwise. Failure conditions include invalid arguments, and engaging in combat.
==Details==
* This function does not produce error messages when it fails.
* FrameXML's EquipmentManager_EquipSet("name") will produce a visible error, but will not provide a return value indicating success/failure.