fix: Actually stop the conference after the timeout. (#1097)

Author: bgrozev

jicofo/src/main/java/org/jitsi/jicofo/conference/JitsiMeetConferenceImpl.java

@@ -284,6 +284,7 @@ public JitsiMeetConferenceImpl(
                     {
                         logger.info("Expiring due to initial timeout.");
                     }
+                    stop();
                 },
                 ConferenceConfig.config.getConferenceStartTimeout().toMillis(),
                 TimeUnit.MILLISECONDS);