make chatrooms in /chat/channel visible to observers aswell

include/widgets.php

@@ -578,13 +578,16 @@ function widget_menu_preview($arr) {
 }
 
 function widget_chatroom_list($arr) {
+
+	$a = get_app();
+
 	require_once("include/chat.php");
-	$r = chatroom_list(local_user());
-	$channel = get_app()->get_channel();
+	$r = chatroom_list($a->profile['profile_uid']);
+
 	return replace_macros(get_markup_template('chatroomlist.tpl'),array(
 		'$header' => t('Chat Rooms'),
 		'$baseurl' => z_root(),
-		'$nickname' => $channel['channel_address'],
+		'$nickname' => $a->profile['channel_address'],
 		'$items' => $r,
 	));
 }