Nheko flatpak app cannot find "secure storage" in Whonix app qube to store keys in it

I installed this flatpak app in a single qube, avoiding installing it in template. I installed flatpak repos and app in User directory. It always worked before and I had no problems with other flatpak apps installing them this way. But things are different when it comes to the matrix protocol. I tried to find different applications that were more or less secure in context of matrix protocol. Tried FluffyChat but it even couldn’t launch. Then I settled on Nheko. Everything was fine until I finished registration on server. Then the application gave an error shown on the screenshot.

My guess is that this is because of User direction. That “secure storage” is probably located in different directory or even does not exist in qube file system. Am I correct? If so then does it make sense to look for another analogue flatpak application or this problem anyway happens again because of my installation method?

Tried other flatpak client. Works fine. So it was a Nheko related issue. In general, topic is no longer actual.

You have everything in error window - nheko need access to password manager such as KeePassXC, KWallet or Gnome keyring with DBus service configured and running.

There’s even web address of issue with tequirements for it to run.