Pathalogical cases of Payments and Writeoffs being converted to debits
are identified during the DB update for bug 23049, but we are not
correctly limiting to those types accountlines when subsequently
populating the debit_type field.
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com> Signed-off-by: Nick Clemens <nick@bywatersolutions.com> Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>