CC-4568: Show preview broken in Now Playing page

- fixed

airtime_mvc/application/controllers/AudiopreviewController.php

@@ -278,6 +278,7 @@ class AudiopreviewController extends Zend_Controller_Action
                 'element_artist' => isset($track['creator']) ? $track['creator'] : "",
                 'element_position' => $position,
                 'element_id' => ++$position,
+                'mime' => isset($track['mime'])?$track['mime']:""
             );
 
             $elementMap['type'] = $track['type'];

airtime_mvc/application/models/ShowInstance.php

@@ -677,7 +677,8 @@ FROM (
                 f.length AS length,
                 f.artist_name AS creator,
                 f.file_exists AS EXISTS,
-                f.filepath AS filepath
+                f.filepath AS filepath,
+                f.mime AS mime
          FROM cc_schedule AS s
          LEFT JOIN cc_files AS f ON f.id = s.file_id
          WHERE s.instance_id = :instance_id1
@@ -693,7 +694,8 @@ FROM (
                 ws.length AS length,
                 sub.login AS creator,
                 't'::boolean AS EXISTS,
-                ws.url AS filepath
+                ws.url AS filepath,
+                ws.mime as mime
          FROM cc_schedule AS s
          LEFT JOIN cc_webstream AS ws ON ws.id = s.stream_id
          LEFT JOIN cc_subjs AS sub ON ws.creator_id = sub.id