Bug 10240: (follow-up) fix display issues

Bug 10240: (follow-up) fix display issues

Fix the following two issues:
1) After paying a fine when offline the fine amount becomes NaN.
2) For previous checkouts for a patron, the title and barcode
   fields have the wrong infomation in them (i.e. they have been swapped)

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>