fix: post_logout_redirect_uri, non client_id or client_secret, non flow types
post_logout_redirect_uris now have same format as redirect_uris, skipping clients without client_id or client_secret, corrected behaviour for clients without flow_types
post_logout_redirect_uris now have same format as redirect_uris, skipping clients without client_id or client_secret, corrected behaviour for clients without flow_types