Bug 17977: Add acquisitions sidebar menu to suggestions

To test:
1) Go to Acquisitions -> Suggestions
2) Notice no acquisitions sidebar
3) Apply patch and refresh page
4) Sidebar menu should now show.

Sponsored-by: Catalyst IT
Signed-off-by: Claire Gravely <claire_gravely@hotmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>