API Cannot distinguish between "Everyone with access" and "Only team members" when setting a project feature's visibility level

Summary

When calling the API to set a project's feature visibility level, such as Merge Requests, Pipelines, Snippits, Issues, or Wiki, you are unable to distinguish between "Everyone with access" and "Only team members". The API only accepts a boolean value, however these settings have three possible states: "Disabled", "Only team members", and "Everyone with access".

The issue in practice

You can call the API to set the project's wiki access level:

PUT /projects/:id/wiki_enabled=true or PUT /projects/:id/wiki_enabled=false

When calling that with wiki_enabled=true, the project feature access level will always be set to "Everyone with access".

And as expected, when calling that with wiki_enabled=false, the project feature access leel will always be set to "Disabled"

What should be expected

A boolean should not be used to set a property that can have three possible states.

It should be that you call PUT /projects/:id/wiki_enabled with a string, just like you would call PUT /projects/:id/visibility.