KEYCLOAK-14019 Improvements for request_uri parameter

(cherry picked from commit da38b36297a5bd9890f7df031696b516268d6cff)

 src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java

@@ -78,7 +78,7 @@
                .collect(Collectors.toSet());
    }

    private static String verifyRedirectUri(KeycloakSession session, String rootUrl, String redirectUri, Set<String> validRedirects, boolean requireRedirectUri) {
    public static String verifyRedirectUri(KeycloakSession session, String rootUrl, String redirectUri, Set<String> validRedirects, boolean requireRedirectUri) {
        KeycloakUriInfo uriInfo = session.getContext().getUri();
        RealmModel realm = session.getContext().getRealm();