Sending message from WEB isn't working

[gituser]

Describe the bug
When trying to send a message from WEB bot crashes with message (code was check from latest master, also tried latest v4.1.1 tag):

Web message
=== UNHANDLED ERROR ===
Mon Apr 03 2023 13:56:15: Error:  TypeError: Cannot read property 'toString' of undefined
    at Object.msg (/home/www/telegram-support/src/middleware.ts:67:10)
    at /home/www/telegram-support/src/users.ts:126:22
    at Object.getOpen (/home/www/telegram-support/src/db.ts:42:3)
    at Object.chat (/home/www/telegram-support/src/users.ts:91:8)
    at /home/www/telegram-support/src/text.ts:51:17
    at Object.getOpen (/home/www/telegram-support/src/db.ts:42:3)
    at ticketHandler (/home/www/telegram-support/src/text.ts:44:8)
    at Socket.<anonymous> (/home/www/telegram-support/src/addons/web.ts:56:26)
    at Socket.emit (events.js:400:28)
    at Socket.emit (domain.js:475:12)

To Reproduce
Steps to reproduce the behavior:

1. set in config/config.yaml:

web_server: true # Enable/disable web server
web_server_port: 8080 # Port for web server

2. Visit http://localhost:8080
3. Enter some message inside chat widget
4. See error

Versions

# node --version
v14.21.1

Also demo version specified here - https://github.com/bostrot/telegram-support-bot/wiki/Addons#web-chat seems to be not working.

[github-actions]

Hello there! As you are a first time Issuer please check whether your issue description is reasonable and complete. If you are having an issue always include the versions you are using (NodeJs, Typescript, ...) as well as a way to reproduce it. Thank you for reading! Now continue :)

[JayDi85]

Fix for a web chat can be found in PR: #157