Bug 33363: Add separate permissions for creating and deleting suggestions

Bug 33363: Add separate permissions for creating and deleting suggestions

There are a number of libraries that would like for their staff to be able to submit (and view existing) purchase suggestions from the borrower record, but not give the staff the ability to edit/manage/delete purchase suggestions.

Test Plan:
1) Apply this patch
2) Run restart all the things!
3) Run updatedatabase
4) Verify anyone with the suggestions manage permissions now has the create and delete permissions as well
5) Verify anyone without the suggestions manage permission has not recieved the new permissions
6) Enable only the create permission for a librarian
7) Verify that librarian can only create new suggestions ( not manage or delete )
8) Enable only the manage permission for a librarian
9) Verify that librarian can only manage existing suggestions ( not create or delete )
10) Enable only the delete permission for a librarian
11) Verify that librarian can only delete suggestions ( not create or manage )

Signed-off-by: Michaela Sieber <michaela.sieber@kit.edu>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Sponsored-by: Cuyahoga County Public Library
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>