Handle `closeCode` in the `onDone`

[logist322]

Synopsis

This PR provides closeCode handling in the websocket's onDone listener.

Checklist

• Created PR:
  • [x] In draft mode
  • [x] Name contains Draft: prefix
  • [x] Name contains issue reference
  • [x] Has k:: labels applied
  • [x] Has assignee
• [x] Documentation is updated (if required)
• [x] Tests are updated (if required)
• [x] Changes conform code style
• [x] CHANGELOG entry is added (if required)
• [x] FCM (final commit message) is posted
  • [x] and approved
• [x] Review is completed and changes are approved
• Before merge:
  • [x] Milestone is set
  • [x] PR's name and description are correct and up-to-date
  • [x] Draft: prefix is removed
  • [x] All temporary labels are removed

[logist322]

FCM

Fix WebSocket close reason not propagated to Jason from Dart (#61)

Additionally:
- fix `IceTransportType` not being set when creating a new `Peer`
- remove redundant `[skip ci]` check on CI
- temporary pin Android NDK version to r22