Bug 39238: Add links toward private lists in biblio

TEST PLAN:
1 - Create a public list, add a book in the list
2 - Notice there is a link on biblio's details on the intranet
3 - Add the book in a private list, notice there is no link on biblio's
  details
4 - Apply patch
5 - Notice there is now a link to the list

Signed-off-by: Karolina Sumara <karolettaeska@gmail.com>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>

catalogue/detail.pl

@@ -450,7 +450,10 @@ if ( C4::Context->preference("virtualshelves") ) {
     my $shelves = Koha::Virtualshelves->search(
         {
             biblionumber => $biblionumber,
-            public       => 1,
+            '-or'        => {
+                public => 1,
+                owner  => $patron->borrowernumber
+            }
         },
         {
             join => 'virtualshelfcontents',