Problems: invoke renderingCompleted() to update panelsRendered variable, fix #1016
Problems: invoke renderingCompleted() to update panelsRendered variable, fix #1016

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