message: fix attach-swap - swap id
diff: @@ -31,6 +31,7 @@ class Swap {
  flow: FlowType
  constructor(id, app, order?) {
  + SwapApp.required(app)
  this.id = null
  this.isMy = null
  this.isTurbo = null
  @@ -44,7 +45,7 @@ class Swap {
  this.participantSwap = null
  this.destinationBuyAddress = null
  this.destinationSellAddress = null
  - this.app = null
  + this.app = app
  this.createUnixTimeStamp = Math.floor(new Date().getTime() / 1000)
  this.participantMetamaskAddress = null
  @@ -52,8 +53,6 @@ class Swap {
  // Wait confirm > 1
  this.waitConfirm = false
  - this._attachSwapApp(app)
  -
  let data = this.app.env.storage.getItem(`swap.${id}`)
  if (!data) {
  @@ -64,6 +63,8 @@ class Swap {
  this.update(data)
  + this._attachSwapApp(app)
  +
  this.events = new Events()
  this.room = new Room(app, {
  @@ -152,9 +153,6 @@ class Swap {
  }
  _attachSwapApp(app) {
  - SwapApp.required(app)
  -
  - this.app = app
  this.app.attachSwap(this)
  }
  