Make use of __pageDataAttributes in room.tpl

LICENSE

@@ -10,7 +10,7 @@ Additional Use Grant: You may use the Licensed Work when your application
                       uses the Licensed Work for a purpose that does neither
                       directly or indirectly generate revenue.
 
-Change Date:          2024-03-25
+Change Date:          2024-05-30
 
 Change License:       Version 2 or later of the GNU General Public License as
                       published by the Free Software Foundation.

templates/room.tpl

@@ -25,6 +25,8 @@
 	</li>
 {/capture}
 
+{capture assign='__pageDataAttributes'}data-room-id="{@$room->roomID}"{/capture}
+
 {include file='header'}
 
 {if $room->getTopic()}