[Bug]: A Failure in the visibility of the Back button

[dmitrydrynov]

Telegram Application

Telegram for Android, Telegram Desktop

Describe the Bug

The backButton.hide() function does not hide the button

To Reproduce

Steps to reproduce the behavior:

1. Go to 'Page 1' where I use back Button.show() for showing the button
2. Click on 'Back Button' for return on the previous page
3. On the previous page I'm using backButton.hide() for hidding the button but this function doesn't work. I'm seeing the button.

I can hide the back button with telegram-web-app.js
Telegram.Web App.Back Button.show() - I say show me the button
Telegram.Web App.Back Button.hide() - and now the button is hide.

Expected Behavior

backButton.hide() should hide the button