Bug 15496: (QA follow-up) Fix remaining cases

Bug 15496: (QA follow-up) Fix remaining cases

This patch fixes remaining cases of the list => scalar change.

To test:
- Run:
  $ kshell
 k$ prove t/db_dependent/Holds/HoldFulfillmentPolicy.t t/db_dependent/Reserves.t
=> FAIL: Tests fail
- Apply this patch
- Run:
 k$ prove t/db_dependent/Holds/HoldFulfillmentPolicy.t t/db_dependent/Reserves.t
=> SUCCESS: Tests pass
- Sign off :-D

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>