fix: use HTTPS for load.balancer.del.port in global.properties

templates/exlibris/dps/d4_1/system.dir/conf/global.properties_https

@@ -34,7 +34,7 @@ jboss.minmemory=256
 jndi.port=2801
 jpeg2000.lib=/exlibris/dps/d4_1/product/local/jpeg2000/sdk/linux-x86-64/lib
 load.balancer.del.host={{ tls_hostname }}.slub-dresden.de
-load.balancer.del.port={{ http_port }}
+load.balancer.del.port={{ https_port }}
 load.balancer.del={{ tls_hostname }}.slub-dresden.de\:{{ https_port }}
 load.balancer.dep.host={{ tls_hostname }}.slub-dresden.de
 load.balancer.dep.port={{ https_port }}