Bug 41036: Log errors in Koha::ImportBatch->new_from_file

To test:
1. prove t/db_dependent/Koha/ImportBatch.t
2. Observe success

Signed-off-by: David Nind <david@davidnind.com>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit f54cce344c)
Signed-off-by: Jacob O'Mara <Jacob.omara@openfifth.co.uk>

Koha/ImportBatch.pm

@@ -102,6 +102,13 @@ sub new_from_file {
             );
         }
 
+        if ($errors) {
+            Koha::Logger->get->warn( 'The following error(s) occurred during '
+                    . ( defined $format ? ( $format . " " ) : "" )
+                    . "record import:\nERROR: "
+                    . join( "\nERROR: ", @$errors ) );
+        }
+
         $job->size( scalar @$marcrecords )->store if $job;
 
         ( $batch_id, $num_valid, $num_items, @import_errors ) = BatchStageMarcRecords(