new Join Room form that requests authcookie

getting stubbed session #1,
with auth module stubbed to accept that session in.
and stubbed method for streaming room state,
but that's enough to start testing room calling api's for other actions

next - pass in observable from parent to re-toggle subscription
websocket after successful login

backend/src/main/scala/industries/sunshine/planningpoker/Auth.scala

@@ -62,7 +62,8 @@ object Auth {
           roomService.joinRoom(roomId, nickName, nickPassword, roomPassword)
         )
           .leftMap(_.toString())
-        newSessionId = Random.nextLong()
+        // newSessionId = Random.nextLong() // TODO return after i stop mocking RoomService
+        newSessionId = TestModels.testSessionId
         _ <- EitherT.liftF(sessions.update(_.updated(newSessionId, (roomId, playerId))))
       } yield ResponseCookie(
         name = authcookieName,