Bug 29987: Display credit without offsets in transactions

Bug 29987: Display credit without offsets in transactions

This patch adds a row to the transactions table for credits without
corresponding offsets

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit d6262c0f302fb6140a3d0c311305502d667f2022)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 702b10bb6b681f324b14357fe9fb5d03256c91d1)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>