message: Fixed bug on existing Json connection
diff: @@ -273,7 +273,7 @@ export default class JsonCentralSystemServer extends CentralSystemServer {
  let action: ServerAction;
  // Json connection
  if (wsConnection.getWS().protocol === WSServerProtocol.OCPP16) {
  - existingWSConnection = this.getJsonRestWSConnection(wsConnection.getID());
  + existingWSConnection = this.getJsonWSConnection(wsConnection.getID());
  action = ServerAction.WS_JSON_CONNECTION_ERROR;
  }
  // REST connection
  @@ -469,7 +469,7 @@ export default class JsonCentralSystemServer extends CentralSystemServer {
  Logging.logConsoleDebug(`** ${this.runningWSMessages} running WS Messages (Requests + Responses)`);
  Logging.logConsoleDebug(`** ${this.waitingWSMessages} queued WS Message(s)`);
  Logging.logConsoleDebug('=====================================');
  - }, 5000);
  + }, 5 * 1000);
  }
  }
  @@ -504,7 +504,7 @@ export default class JsonCentralSystemServer extends CentralSystemServer {
  }
  // Log
  if (validConnections.length || invalidConnections.length) {
  - const message = `${validConnections.length} ${type} valid WS Connection (${invalidConnections.length} invalid)`;
  + const message = `${validConnections.length} ${type} valid WS Connection pinged (${invalidConnections.length} invalid)`;
  this.isDebug() && Logging.logConsoleDebug(message);
  if (invalidConnections.length) {
  void Logging.logError({
  