Clear any reliable connection state upon Node ID change

interface/src/avatar/MyAvatar.cpp

@@ -3755,6 +3755,7 @@ void MyAvatar::restrictScaleFromDomainSettings(const QJsonObject& domainSettings
 void MyAvatar::leaveDomain() {
     clearScaleRestriction();
     saveAvatarScale();
+    prepareResetTraitInstances();
 }
 
 void MyAvatar::saveAvatarScale() {

libraries/networking/src/NodeList.cpp

@@ -665,6 +665,8 @@ void NodeList::processDomainServerList(QSharedPointer<ReceivedMessage> message)
             // tell the domain handler that we're no longer connected so that below
             // it can re-perform actions as if we just connected
             _domainHandler.setIsConnected(false);
+            // Clear any reliable connections using old ID.
+            _nodeSocket.clearConnections();
     }
 
     setSessionLocalID(newLocalID);