Enable ElasticSearch service (#4391)

Author: tremor021

install/zammad-install.sh

@@ -30,7 +30,8 @@ $STD apt-get -y install elasticsearch
 echo "-Xms2g" >>/etc/elasticsearch/jvm.options
 echo "-Xmx2g" >>/etc/elasticsearch/jvm.options
 $STD /usr/share/elasticsearch/bin/elasticsearch-plugin install ingest-attachment -b
-systemctl -q restart elasticsearch
+systemctl enable -q elasticsearch
+systemctl restart -q elasticsearch
 msg_ok "Setup Elasticsearch"
 
 msg_info "Installing Zammad"