Merge branch '315-onboard-nugisportal-unl-edu-portal-sp' into 'master'

Resolve "Onboard nugisportal.unl.edu.portal SP"

Closes #315

See merge request !434

nefed.xml

@@ -30195,6 +30195,9 @@ and do *NOT* provide it in real time to your partners.
                 Location="https://nugisportal.unl.edu/portal/sharing/rest/oauth2/saml/signin" index="1" />
             <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect"
                 Location="https://nugisportal.unl.edu/portal/sharing/rest/oauth2/saml/signin" index="2" />
+                <NameIDFormat>
+                    urn:oasis:names:tc:SAML:2.0:nameid-format:persistent
+                </NameIDFormat>
         </SPSSODescriptor>
         <Organization xml:lang="en">
             <OrganizationName xml:lang="en">ArcGIS Enterprise</OrganizationName>