"Collabora Office" app can bypass password protection

[foocp]

Expected behaviour

I've set up a PIN code to access Nextcloud. I would expect the "Collabora Office" app to need the PIN code, too. Or to be denied access.

Actual behaviour

In the "Collabora Office" app, I can enable the Nextcloud storage location, and then access it directly, without entering the PIN code.

Steps to reproduce

Reasoning or why should it be changed/implemented?

It's a security isse

iOS version

12.4.1

App version

latest version of both apps

Server configuration

Operating system:

Web server:

Database:

PHP version:

Nextcloud version: (see Nextcloud admin page)
17.0.2