Bug 35463: Link preservation module help to the manual

Bug 35463: Link preservation module help to the manual

This patch links the various pages of the preservation module to each
specific section of the preservation module chapter in the manual.

To test:
1.  Enable the PreservationModule system preference
2.  Go to the Preservation module
3.  Click "help" in the top right corner
    --> You are brought to the manual, but not a specific page
4.  Apply patch
5.  Click "Help" in the top right corner
    --> You are brought to the Preservation chapter of the manual
6.  Click "Settings"
7.  Click "Help" in the top right corner
    --> You are brought to the Settings section of the Preservation chapter of the manual
8.  Choose a not for loan status for items added to the waiting list (the mandatory field) and submit
9.  Click "Add a new processing"
10. Click "Help" in the top right corner
    --> You are brought to the Add a new processing section of the Preservation chapter of the manual
11. Fill out the form to create the processing and submit
12. Click "Edit this processing"
13. Click "Help" in the top right corner
    --> You are brought to the Add a new processing section of the Preservation chapter of the manual (there is no edit a processing section)
14.  Click "Waiting list"
15. Click "Help" in the top right corner
    --> You are brought to the Waiting list section of the Preservation chapter of the manual
16. Add items to the waiting list
17. Click "Trains"
18. Click "Help" in the top right corner
    --> You are brought to the Trains section of the Preservation chapter of the manual
19. Click "New train"
20. Click "Help" in the top right corner
    --> You are brought to the New train section of the Preservation chapter of the manual
21. Fill out the form to create a new train and submit
22. Click "Add items"
23. Click "Help" in the top right corner
    --> You are brought to the Add items section of the Preservation chapter of the manual

24. Also check ERM help links to make sure nothing is broken

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Philip Orr <philip.orr@lmscloud.de>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
(cherry picked from commit fed8fc8618129dd31495d9d6ba283eff829db2ea)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>