Bug: Chat in tournaments does not work

[Stoitskiy]

Summary

No ability to send messages to chat during the tournament Codebattle, Version ddf1389

Reproduction steps

1. Go to main page https://codebattle.hexlet.io/#lobby
2. Click on your nickname 
3. Click Tournaments
4. Choose any terms and conditions
5. Click Create
6. Try writing to the chat

Expected result

It is possible to write to the chat room and send a message

Actual result

The input field is inactive. It is not possible to send a message to the chat room

Browsers

Chrome

OS

Windows