Labels for rank-type question not included in export

[joshuaberetta]

Reproduce with:

survey

type	name	label
rank pizza_toppings	toppings	Order pizza toppings with your favorite on top

choices

list_name	name	label
pizza_toppings	cheese	Cheese
pizza_toppings	pepperoni	Pepperoni
pizza_toppings	sausage	Sausage

ranking.xlsx

Community: https://community.kobotoolbox.org/t/first-rank-and-then-select-from-ranking/34766/4