Bug 18528: Patron card creator template: switch form fields for card height and card...

Bug 18528: Patron card creator template: switch form fields for card height and card width

This patch changes the sequnce of form fields for card height and card width.

To test:
- Apply patch
- Edit or create a patron card template
- Verify that the fields display in sequence Page height - Page width -Card height - Card width

Followed test plan, worked as intended
Signed-off-by: Alex Buckley <alexbuckley@catalyst.net.nz>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>