A missing return prevents a list of item ids from
being built so no holds can be placed from item
buckets. This branch returns the return to its
proper place.
To test
-------
[1] Add some items to an item bucket, ensuring that they are
all holdable.
[2] From the item bucket interface, select the items and choose
the Request Selected Items action.
[3] Confirm placing the requests.
[4] Note that the requests are not actually created.
[5] Apply the patch and repeat steps #1-#4. This time, the requests
should be placed.