Bug 36111: 856 should not appear as a link in detailed record

Bug 36111: 856 should not appear as a link in detailed record

Test plan:
1. Add 856 to MARC editor
   1.1. Go to Administration > MARC bibliographic frameworks
   1.2. Next to Default framework, click Actions > MARC structure
   1.3. Search for field 856
   1.4. Click Actions > Edit subfields
   1.5. Click h
   1.6. Check the Editor box
   1.7. Click Save changes
2. Catalog a new record with a random URL in 856
   2.1. Go to Cataloging
   2.2. Click New record
   2.3. Fill out the mandatory fields (000, 003, 005, 008, 040,
        245, 942)
   2.4. Go to tab 8 and enter a value in 856
   2.5. Click Save (No need to add an item)
3. Search for the title in the staff interface (a large enough
   search to have more than one result)
   --> Notice it says "Online resources: Click here to access online"
   3.1. Try to click the link
        --> Blank page
4. Access the detailed record in the staff interface
   --> Notice it says "Online resources: Click here to access online"
   4.1. Try to click the link
        --> Blank page
5. Search for the title in the opac (a large enough search to have
   more than one result)
   --> Notice it says "Online resources: Click here to access online"
   5.1. Try to click the link
        --> Blank page
6. Access the detailed record in the opac
   --> Notice it says "Online resources: Click here to access online"
   6.1. Try to click the link
        --> Blank page
7. Edit the item and add a text in field 856
8. Access the detailed record in the staff interface
   --> Notice it says what you put in 856 field
9. Apply the patch
10. Replay steps 3 through 6, but this time, the "Online resources"
   field should not be present.
11. Replay steps 7 through 8, but this time, what you put in 856
   field should not be present.
12. Edit the item and add a url in field 856
13. Replay steps 3 through 6, but this time, clicking on the link
    should take you to the URL specified in the 856 field.
14. Replay steps 7 through 8, but this time, what you put in 856
   field should be present and
   clicking on the link should take you to the URL specified in the 856 field.

Signed-off-by: Roman Dolny <roman.dolny@jezuici.pl>
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: David Nind <david@davidnind.com>
Bug 36111: fixed extra space

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: David Nind <david@davidnind.com>
Bug 36111: online resource link should be based on the presence of 856

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>