With a fresh install of Jenkins 2.332.3 LTS with "Install suggested plugins", which gives us:

Branch API Plugin Version 2.1046.v0ca_37783ecc5

If you create a ComputedFolder, such as a GitHub Organization Folder, you will see that the "New VIew" button is still displayed, even though computed folders views are computed automatically.

If you try to use the "New View" button and try to create a list view, it will fail with the following message in the UI:

HTTP ERROR 404 Not Found
URI:    /job/test/view/a/configure
STATUS:    404
MESSAGE:    Not Found
SERVLET:    Stapler