packaging: fix for keycloak httpd conf.d restore

This patch includes keycloak related httpd configuration files in backup
paths so that, after restoring from the backup, these files were available
without the need to regenerate them.
Additionally grafana httpd proxy configuration has been added as well
for the same reason.

packaging/bin/engine-backup.sh.in

@@ -132,7 +132,7 @@ cinderlib_enabled() {
 }
 
 keycloak_enabled() {
-	engine_setup_service_enabled "OVESETUP_KEYCLOAK_CORE/enable"
+	engine_setup_service_enabled "OVESETUP_CONFIG/keycloakEnable"
 }
 
 grafana_enabled() {
@@ -159,9 +159,12 @@ BACKUP_PATHS="/etc/ovirt-engine
 /etc/pki/ovirt-engine
 /etc/pki/ovirt-vmconsole
 /etc/ovirt-engine-setup.conf.d
+/etc/httpd/conf.d/internalsso-openidc.conf
+/etc/httpd/conf.d/ovirt-engine-grafana-proxy.conf
 /etc/httpd/conf.d/ovirt-engine-root-redirect.conf
 /etc/httpd/conf.d/ssl.conf
 /etc/httpd/conf.d/z-ovirt-engine-proxy.conf
+/etc/httpd/conf.d/z-ovirt-engine-keycloak-proxy.conf
 /etc/httpd/http.keytab
 /etc/httpd/conf.d/ovirt-sso.conf
 /etc/yum/pluginconf.d/versionlock.list