- remove defunct connection when client auto-reconnects.

...n/scala/org/bigbluebutton/core/apps/BreakoutRoomApp.scala

...ebutton/freeswitch/voice/freeswitch/ESLEventListener.java

...gbluebutton/endpoint/redis/AppsRedisSubscriberActor.scala

...luebutton/common/messages/UserJoinedVoiceConfMessage.java

...button/app/screenshare/red5/ConnectionInvokerService.java

...rg/bigbluebutton/app/screenshare/red5/Red5AppService.java

...in/java/org/bigbluebutton/app/video/VideoApplication.java

bbb.sh

...java/org/bigbluebutton/red5/BigBlueButtonApplication.java

...utton/red5/client/messaging/ConnectionInvokerService.java

...uebutton/red5/pubsub/redis/RedisPubSubMessageHandler.java