Android app: Bug with "Back arrow" button, it doesn't work in "Select text" window

[mnba]

Android app: Bug with "Back arrow" button, it doesn't work in "Select text" window.
How to reproduce: open chat, get some answer, long tap on answer,
select menu item "Select text", and then click on back arrow button on top left:
Nothing happens.
One can return only by pressing android global back button
See attached picture screenshot if required
The button is at top left