[Web Apps] `web_app_setup_closing_behavior` does not work in some cases

[heyqbnk]

Checklist

• [x] I am reporting an issue in existing functionality that does not work as intended
• [x] I've searched for existing GitHub issues

Description

You can find full issue description here: https://github.com/Telegram-Web-Apps/twa/issues/18

Environment

Device: iPhone XR

iOS version: 16.1.1

App version: 9.3.2

[adc-collab-1]

Hello,

I have almost the same problem with my mini apps. Have you managed to find a solution?

Best regards.