Bug 33478: Apply formatting to ISSUESLIP, ISSUEQSLIP, CHECKINSLIP

Bug 33478: Apply formatting to ISSUESLIP, ISSUEQSLIP, CHECKINSLIP

To test:

1. Check out an item to a patron
2. Click Print in the members toolbar, then Print quick slip
3. Confirm your format settings for ISSUEQSLIP are applied

4. Click Print in the members toolbar, then Print slip
5. Confirm your format settings for ISSUESLIP are applied

6. Return the item
7. When the item is checked in, click the 'Print checkin slip' button
8. Confirm your format settings for CHECKINSLIP are applied

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>