Fix "data points outside time range" when there is no datapoints and aggregate function is used
Fix "data points outside time range" when there is no datapoints and aggregate function is used

alexanderzobnin/grafana-zabbix,alexanderzobnin/grafana-zabbix,alexanderzobnin/grafana-zabbix,alexanderzobnin/grafana-zabbix,alexanderzobnin/grafana-zabbix,alexanderzobnin/grafana-zabbix