Bug 25033: Display both local and all pending suggestions counts if the numbers differ

Bug 25033: Display both local and all pending suggestions counts if the numbers differ

To test:
 0 - Be in staff client as a superlibrarian
 1 - Place some suggestions
  1 for any branch
  1 for signed in branch
  1 for another branch
 2 - Go to Koha main page, 3 suggestions pending
 3 - Click 'Suggestions pending approval' - you see one suggestion
 4 - Click on 'Acquisitions' in breadcrumbs , 3 suggestions pending
 5 - Click manage suggestions - you see one suggestion
 6 - Apply patch
 7 - On mainpage and acqui-home you now see "Centerville: 1 / All libraries: 3" suggestions
 8 - Confirm that the links take you to suggestions view of your branch or all libraries respectively
 9 - Turn on IndependentBranches
10 - Create a user with acquisition and suggestions permissions but not superlibrarian in one of the branches used above
11 - Sign in as that user
11 - See "Centerville: 1" suggestion on mainpage and on acqui home

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>