Bug 36241: Fix wrong cud-search

This line is supposed to searhc for plugins with the method 'provides_api' which returns a {type => 'search'} entry among others.
This has nothing to do with search vs cud-search from  in forms

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>

ill/ill-requests.pl

@@ -531,7 +531,7 @@ sub get_metadata_enrichment {
     my @services = ();
     foreach my $plugin(@candidates) {
         my $supported = $plugin->provides_api();
-        if ($supported->{type} eq 'cud-search') {
+        if ($supported->{type} eq 'search') {
             push @services, $supported;
         }
     }