Guests can not enable annotations, even if they have view rights and comments are visible

Steps to reproduce:
1. Get a clean instance (or make sure you did not modify rights so that guests have rights set to explicit view enabled, default comment and default edit to deny)
2. Create some content and add some annotations as Registered user
3. Log out
4. Observe the Comments sections, you can see existing annotations (which are also comments) as Guest
5. Try to show annotations ("More actions > Annotations > Show annotations") as a Guest, you`ll get an "Unregistered" notification error and annotations are not highlighted in the content.