Bug 34199: Add full title information to subscription detail page

Bug 34199: Add full title information to subscription detail page

Show the full title information, including part_name and part_number
on the subscription detail page.

To test:
* Add a subscription linked to a record with 245$abnp set
* Verify only 245$ab will show up on the subscription detail page
* Apply patch
* Verify that the full title information shows up on the detail page

Signed-off-by: Sam Lau <samalau@gmail.com>
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>