fixup! standalone shibboleth image

Author: blizzz

user_saml_shibboleth-idp/shibboleth-idp/conf/nextcloud.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<md:EntityDescriptor xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata" validUntil="2032-01-06T12:44:32Z" cacheDuration="PT604800S" entityID="http://localhost:8080/index.php/apps/user_saml/saml/acs">
+<md:EntityDescriptor xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata" validUntil="2032-01-06T12:44:32Z" cacheDuration="PT604800S" entityID="http://localhost:8080/index.php/apps/user_saml/saml/metadata">
   <md:SPSSODescriptor AuthnRequestsSigned="true" WantAssertionsSigned="true" protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol">
     <md:KeyDescriptor use="signing">
       <ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#">