"Add guard clause in onLayoutChange callback"
"Add guard clause in onLayoutChange callback"

If not provided with a position change handler don't
send a resquest to persist updated layout position.  We
must do this until we resolve how we are going to persist
changes to precanned dashboards.

influxdata/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,influxdata/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,nooproblem/influxdb,li-ang/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,influxdb/influxdb,nooproblem/influxdb,li-ang/influxdb,mark-rushakoff/influxdb,influxdb/influxdb,influxdb/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,influxdb/influxdb