- added #9668 extension template variable to attachment loops for the following assets:

Article,Post,Event,File,Form::Attachments,Folder

lib/WebGUI/Asset/Event.pm

@@ -1249,6 +1249,7 @@ sub getTemplateVars {
                 url         => $storage->getUrl($filename),
                 icon        => $storage->getFileIconUrl($filename),
                 filename    => $filename,
+		extension   => WebGUI::Storage->getFileExtension($filename),
                 thumbnail   => $storage->getThumbnailUrl($filename),
                 isImage     => $storage->isImage($filename),
             };