Returns whether the pet's actions are usable. Note: GetPetActionSlotUsable can return nil for individual actions even if GetPetActionsUsable returns 1 (though not the other way around).
See also Pet functions, Action functions.
Signature:
petActionsUsable = GetPetActionsUsable()
Returns:
petActionsUsable- 1 if the pet's actions are usable; otherwise nil (1nil)