Bug 15560: Fix display of multiple branches and locations in pending reserves report

Bug 15560: Fix display of multiple branches and locations in pending reserves report

The patches from bug 12152 broke the display on the pending reserves/
holds to pull report when items from multiple branches and with
multiple locations were displayed. The table cells were left empty.

To test:
- Add a record with at least 2 items from different locations and
  holdingbranches
- Open the 'holds to pull' report
- Verify all branches and locations show with their correct
  description

Signed-off-by: Natasha <tasham_8@hotmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Brendan Gallagher brendan@bywatersolutions.com
(cherry picked from commit 363cb9c02ed017a0a20951d5caa9f9e5376600d0)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>