We need to update the registered user's list when role and waitingForAcceptance change because reconnection doesn't trigger a userLeaving msg anymore

bigbluebutton-apps/src/main/scala/org/bigbluebutton/core/apps/users/UsersApp.scala

@@ -263,6 +263,7 @@ trait UsersApp {
     users.getUser(msg.userID) foreach {user =>
       val uvo = user.copy(role=msg.role)
       users.addUser(uvo)
+      updateRegUser(uvo)
       val userRole = if(msg.role == Role.MODERATOR) "MODERATOR" else "VIEWER"
       outGW.send(new UserRoleChange(meetingID, recorded, msg.userID, userRole))
     }
@@ -326,7 +327,6 @@ trait UsersApp {
 	  user foreach { u => 
 	    logger.info("User left meeting:  mid=[" + meetingID + "] uid=[" + u.userID + "]")
 	    outGW.send(new UserLeft(msg.meetingID, recorded, u)) 
-	    updateRegUser(u)
 
 	    if (u.presenter) {
 	      /* The current presenter has left the meeting. Find a moderator and make
@@ -498,6 +498,7 @@ trait UsersApp {
         if (msg.response == true) {
           val nu = user.copy(waitingForAcceptance=false)
           users.addUser(nu)
+          updateRegUser(nu)
           outGW.send(new UserJoined(meetingID, recorded, nu))
         } else {
           outGW.send(new GuestAccessDenied(meetingID, recorded, user.userID))