Bug 25919: Only show Desks in admin navigation when UseCirculationDesks is used

We were missing a check for the UseCirculationDesks in the
template so the "Desks" link would only appear in the admin navigation
when the pref feature is activated.

To test:
- Turn off UseCirculationDesks
- Go to any administration page that shows the navigation on the left
- Verify Desks shows
- Apply patch
- Reload the admin page - Desks should be gone
- Turn on UseCirculationDesks
- Verify the Desks reappear

Signed-off-by: Sally <sally.healey@cheshiresharedservices.gov.uk>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 27ff36825d)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>

koha-tmpl/intranet-tmpl/prog/en/includes/admin-menu.inc

@@ -16,7 +16,9 @@
             [% IF ( CAN_user_parameters_manage_libraries ) %]
                 <li><a href="/cgi-bin/koha/admin/branches.pl">Libraries</a></li>
                 <li><a href="/cgi-bin/koha/admin/library_groups.pl">Library groups</a></li>
-                <li><a href="/cgi-bin/koha/admin/desks.pl">Desks</a></li>
+                [% IF ( Koha.Preference('UseCirculationDesks') ) %]
+                    <li><a href="/cgi-bin/koha/admin/desks.pl">Desks</a></li>
+                [% END %]
             [% END %]
             [% IF ( CAN_user_parameters_manage_itemtypes ) %]
                 <li><a href="/cgi-bin/koha/admin/itemtypes.pl">Item types</a></li>