Fix appearance of sortable table headers in alerts history table
Fix appearance of sortable table headers in alerts history table

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