fix(ui): sort alerting history page from newest to oldest
fix(ui): sort alerting history page from newest to oldest

Previously it was displaying oldest to newest.

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