First cut of a simplified "intro" UI layout (#265)

* First cut of a simplified "intro" UI layout

* Linter

* Add guest role and intro-only access

* Fix guest role UI defaults (#940)

Use enum predicate to avoid missing role helper.

* Remove legacy user role mapping (#941)

Drop the unused user role references in role normalization
and SSO role mapping forms to avoid implying a role that
never existed.

Refs: #0

* Remove role normalization (#942)

Remove role normalization

Roles are now stored directly without legacy mappings.

* Revert role mapping logic

* Remove `normalize_role_settings`

* Remove unnecessary migration

* Make `member` the default

* Broken `.erb`

---------

Signed-off-by: Juan José Mata <juanjo.mata@gmail.com>

test/controllers/registrations_controller_test.rb

@@ -67,4 +67,24 @@ class RegistrationsControllerTest < ActionDispatch::IntegrationTest
       end
     end
   end
+
+  test "creating account from guest invitation assigns guest role and intro layout" do
+    invitation = invitations(:one)
+    invitation.update!(role: "guest", email: "guest-signup@example.com")
+
+    assert_difference "User.count", +1 do
+      post registration_url, params: { user: {
+        email: invitation.email,
+        password: "Password1!",
+        invitation: invitation.token
+      } }
+    end
+
+    created_user = User.find_by(email: invitation.email)
+    assert_equal "guest", created_user.role
+    assert created_user.ui_layout_intro?
+    assert_not created_user.show_sidebar?
+    assert_not created_user.show_ai_sidebar?
+    assert created_user.ai_enabled?
+  end
 end