Fehlenden EntitiesDescriptor hinzugefügt

vorgang-manager-server/src/main/resources/bayernid/keycloak-saml-metadata.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<md:EntitiesDescriptor xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata">
 <md:EntityDescriptor xmlns="urn:oasis:names:tc:SAML:2.0:metadata" xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata" xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" entityID="https://sso.dev.by.ozg-cloud.de/realms/by-antragsraum-idp">
 <md:IDPSSODescriptor WantAuthnRequestsSigned="true" protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol">
 <md:KeyDescriptor use="signing">
@@ -23,3 +25,4 @@
 <md:SingleSignOnService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact" Location="https://sso.dev.by.ozg-cloud.de/realms/by-antragsraum-idp/protocol/saml"/>
 </md:IDPSSODescriptor>
 </md:EntityDescriptor>
+</md:EntitiesDescriptor>
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