Light user group lacks correct membership to internal assets

When the below Jira issue is fixed, this workaround should not be on the "Things to be..." list anymore.

MM-3329 - Getting issue details... STATUS

Steps to fix this:

1. Log into the DC
2. Navigate to Channels
3. Navigate to Channel - Digizuite MM -> content -> Rights management -> internal access
4. Right click on "internal access"
5. Click "Edit folder rights"
6. Add the light user MEMBER GROUP and give it read rights
7. Remove the The light user MEMBER
8. Click save
9. Test: 
   1. Secure that some assets are internaly published
   2. Create a new user with light user as group
   3. login as the new user
   4. Internaly published assets are visible