Bug 19791: Keep user in circ when viewing patron's logs

Bug 19791: Keep user in circ when viewing patron's logs

When a librarian is viewing the log for a given patron (tab "modification log"
from the circulation module), the "object" and "modules" parameter can
be modified. It does not make sense, we should stay in the circulation
module and avoid those fields to be modified.

Test plan:
- Modify several patrons (in order to have several modification logs)
- Go to the modification log tab of one of them
- Notice that the "Object" input is not a "Borrowernumber" labelled
input and that you cannot modify it.
Also notice that the "modules" is hidden.
- Go to the log viewer tool and notice that the view is still the same
as before this patch.

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>