message: display modal in ui
diff: @onClose={{set this 'isShowingLayer2ConnectModal' false}}
  @isLayerConnected={{this.layer2Network.isConnected}}
  />
  +
  +<CardPay::ChainChangeModal
  + @isOpen={{this.isShowingChainChangeModal}}
  + @title={{this.chainChangeModalTitle}}
  + @message={{this.chainChangeModalBody}}
  + @dismissable={{not this.needsReload}}
  + @onClose={{this.hideChainChangeModal}}
  +/>
  \ No newline at end of file
  