Fix logic in single stat coloration getter
Fix logic in single stat coloration getter

Sometimes results in a situation where coloration state gets set to a
weird value, which seems to be a factor in the auto refresh bug

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