Allow commas on template variable #7681 (#7732)
Allow commas on template variable #7681 (#7732)

This improvement allows to wrap an "expression" when using single or
double quotes. So now you can have time interval with offset for
influxdb.
grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana