No permissions for shares from group folder when used with `GroupQuota` app

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Steps to reproduce

1. Create group folder for group with user A
2. Login as user A
3. Share access to two different folders within the group folder for a user B who does not have access to the group folder
4. Login as User B.

Expected behaviour

Folder 1 - accessible, Folder - 2 accessible.

Actual behaviour

Folder 1 - accessible, but Folder - 2 visible but is not accessible - message is: You does not have permission.

Server configuration

Operating system:
Ubuntu 20.04

Web server:
Nginx + Apache

Database:
MariaDB 10.3.29

PHP version:
7.4.3

Nextcloud version: (see Nextcloud admin page)
21.0.3

Group folders version:
9.0.2

Updated from an older Nextcloud/ownCloud or fresh install:
20

Where did you install Nextcloud from:
Archive

Are you using external storage, if yes which one: local/s3/smb/sftp/...
smb

Are you using encryption: yes/no
no

Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/Saml/...
Active Directory

Client configuration

Browser:
Chrome

Operating system:
Windows 10

Logs

Web server error log

Insert your webserver log here

Nextcloud log (data/nextcloud.log)

Insert your Nextcloud log here

Browser log

Insert your browser log here, this could for example include:

a) The javascript console log
b) The network log
c) ...

Reproduce the problem with the listed group-folder and GroupQuota setup, following the four steps in the report. No files, tests, logs, or entry points are identified; done means both separately shared folders are visible and accessible to user B without group-folder access.