Bug 30025: Split BiblioAddsAuthorities into two sysprefs

Bug 30025: Split BiblioAddsAuthorities into two sysprefs

This patch adds two new sysprefs:
AutoLinkBiblios
AllowManualAuthorityEditing

Both inherit the setting from BiblioAddsAuhtorities which is removed

To test:
1 -Apply patches
2 - Update database
3 - Confirm old setting is transferred to new option
4 - Confirm you can edit authoriteis manually if AllowManualAuthorityEditing set to allow
5 - Confirm you cannot edit authorities manually if AllowManualAuthorityEditing set to don't allow
6 - Confirm a new bib is linked when AutoLinkBiblios is enabled (set AllowManualAuthorityEditing to add unlinked heading)
7 - Confirm new bib notlinked when AutoLinkBiblios is disabled
8 - Confim new bib not linked when AutoLinkBiblios is enabled, but heading doesn't match an authority and  AutoCreateAuthorities is disabled
9 - Confim new bib linked to new authority when AutoLinkBiblios is enabled, but heading doesn't match an authority and  AutoCreateAuthorities is enabled

Signed-off-by: AFHDubCoLib <andrewfh@dubcolib.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>