Bug 28723: Fix holds table display when a biblio has no title

Test plan:
1. Create a biblio without title, then create an item for this biblio.
2. Place a hold on it.
3. Go to the patron detail page and click on the Holds tab
4. Confirm that holds are correctly displayed

Signed-off-by: David Nind <david@davidnind.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 35874fa380)

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

koha-tmpl/intranet-tmpl/prog/js/holds.js

@@ -138,7 +138,7 @@ $(document).ready(function() {
                             title = "<a href='/cgi-bin/koha/reserve/request.pl?biblionumber="
                                   + oObj.biblionumber
                                   + "'>"
-                                  + oObj.title.escapeHtml();
+                                  + (oObj.title ? oObj.title.escapeHtml() : __('No title'));
 
                             $.each(oObj.subtitle, function( index, value ) {
                                 title += " " + value.escapeHtml();