Let invited speakers bypass Events registration and join as panelists.

Verify speaker tokens from Events on join, grant panelist role for linked webinars, and point bulk comms links to the attendees page instead of the JSON preview API.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Support/EventsSourceLink.php

@@ -90,7 +90,7 @@ class EventsSourceLink
     {
         $eventId = self::eventId($room);
 
-        return $eventId ? self::baseUrl().'/events/'.$eventId.'/attendees/comms-preview' : null;
+        return $eventId ? self::baseUrl().'/events/'.$eventId.'/attendees#comms' : null;
     }
 
     public static function eventBadgesUrl(Room $room): ?string