When on a /packages page of a vulnerability, provide a link back to the vulnerability

[pombredanne]

See for instance:
https://public.vulnerablecode.io/vulnerabilities/VCID-2k6t-8wyh-gufq/packages
There is no link back to the vulnerability page

[AdityaDeshmukh2023]

Could you please assign this issue to me

[aditi25srivastava]

Hi! I would like to work on this issue. Please assign it to me.

[pombredanne]

This issue is actually no longer relevant because of the model changes! Sorry for leaving that around.