[api_docs] Module accessible even if user doesn't have 'api_docs' permission

[zaliqarosli]

Describe the bug A clear and concise description of what the bug is

To Reproduce Steps to reproduce the behavior (attach screenshots if applicable):

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

What did you expect to happen? A clear and concise description of what you expected to happen.

Browser Environment (please complete the following information):

• OS: [e.g. Plan9, HURD, Oberon, etc]
• Browser [e.g. chrome, firefox] (note that only these two browsers are supported)
• Version [e.g. 22]

Server Environment (if known): Note: We only support the most recent release of LORIS.

• LORIS Version: [e.g. 22.0.0]
• Linux distribution and Version: [e.g. Ubuntu 16.04, CentOS 7]
• MySQL/MariaDB Version: [e.g. MySQL 5.7, MariaDB 10.3]

Additional context Add any other context about the problem here.

[driusan]

Fixed by above PR