#974 show all chassis serials in device details

lib/App/Netdisco/Web/Plugin/Device/Details.pm

@@ -29,14 +29,22 @@ ajax '/ajax/content/device/details' => require_login sub {
         = schema(vars->{'tenant'})->resultset('DevicePower')
         ->search( { 'me.ip' => $device->ip } )->with_poestats->hri->all;
 
-    my @interfaces
-        = schema(vars->{'tenant'})->resultset('Device')
-        ->find($device->ip)
-        ->device_ips->hri->all;
+    my @interfaces = $device->device_ips->hri->all;
+
+    my @serials = $device->modules->search({
+        class => 'chassis',
+        -bool => 'fru',
+        -and => [
+          { serial => { '!=' => '' } },
+          { serial => { '!=' => undef } },
+        ],
+    })->order_by('pos')->get_column('serial')->all;
 
     content_type('text/html');
     template 'ajax/device/details.tt', {
-      d => $results[0], p => \@power, interfaces => \@interfaces,
+      d => $results[0], p => \@power,
+      interfaces => \@interfaces,
+      serials => [sort keys %{ { map {($_ => $_)} (@serials, ($device->serial ? $device->serial : ())) } }],
     }, { layout => undef };
 };