Bug 16385: Fix breadcrumbs when ordering from subscription

Bug 16385: Fix breadcrumbs when ordering from subscription

- Rephrase removing 'Shopping'
- Fix link to vendor

To test:
- Create a subscription for vendor X
- Create a baskest for vendor X
- Choose: order from subscription
- Check breadcrumbs:
  - Link to vendor works
  - 'Shopping' is gone, Basket remains

Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>