message: fix(frontend): unifies null check stream page and frontend page
diff: @@ -140,13 +140,12 @@ export default {
  }
  `,
  result(streamInfo) {
  - if (streamInfo.data.userStreamAdded) {
  + if (!streamInfo.data.userStreamAdded) return
  this.streamSnackbar = true
  this.streamSnackbarInfo = streamInfo.data.userStreamAdded
  }
  }
  }
  - }
  },
  computed: {
  background() {
  