Bug 7604 - Link on basket group name for closed basket groups is broken

Bug 7604 - Link on basket group name for closed basket groups is broken

Fixes the intended behaviour of the link on the basket group name
for closed basket groups by adding a missing '='.

Clicking the link will reopen the basket group.

Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>