FS-9747: [core] add channel hold/unhold verbosity

src/switch_channel.c

@@ -2642,6 +2642,8 @@ SWITCH_DECLARE(void) switch_channel_event_set_extended_data(switch_channel_t *ch
 		event->event_id == SWITCH_EVENT_CALL_UPDATE || 
 		event->event_id == SWITCH_EVENT_MEDIA_BUG_START || 
 		event->event_id == SWITCH_EVENT_MEDIA_BUG_STOP || 
+		event->event_id == SWITCH_EVENT_CHANNEL_HOLD || 
+		event->event_id == SWITCH_EVENT_CHANNEL_UNHOLD || 
 		event->event_id == SWITCH_EVENT_CUSTOM) {
 
 		/* Index Variables */